Suppressor of cytokine signaling (SOCS)-3 promoter and methods for its use in genetic therapy in humans

ABSTRACT

Disclosed is a nucleic acid construct comprising a murine SOCS-3 promoter sequence having SEQ. ID. NO.: 1, or an operative fragment or derivative. The construct can also contain, operatively linked to the SOCS-3 promoter, a gene encoding any preselected protein, and optionally contains a reporter gene to facilitate detection and/or selection of successfully transfected cells. Also disclosed are a transgenic vertebrate cell containing the nucleic acid construct and transgenic non-human vertebrates comprising such cells. The nucleic acid construct is useful in methods of treating a growth retardation or growth acceleration disorder in a human subject and in a method of treating an autoimmune disease, immune disease, or inflammatory condition in a human subject. A kit for genetically modifying a vertebrate cell includes a polynucleotide comprising the murine SOCS-3 promoter sequence is also disclosed.

[0001] This application is a continuation of U.S. Ser. No. 09/327,138, filed Jun. 7, 1999, and is related to Ser. No. 10/124,905, filed Apr. 17, 2002, and to Ser. No. 10/136,224, filed Apr. 29, 2002, which are both divisions of Ser. No. 09/327,138.

[0002] The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of grant DK 50238 awarded by the NIH.

BACKGROUND OF THE INVENTION

[0003] Throughout this application various publications are referenced within parentheses. The disclosures of these publications in their entireties are hereby incorporated by reference in this application in order to more fully describe the state of the art to which this invention pertains.

[0004] 1. The Field of the Invention

[0005] This invention relates to the medical arts. In particular the present invention relates to the field of cellular signal transduction and to gene therapy.

[0006] 2. Discussion of the Related Art

[0007] Cytokines are small secreted proteins or factors (5 to 20 kD) that have specific effects on cell-to-cell interactions, intercellular communication, or the behavior of other cells. Cytokines involved in inflammatory diseases are produced by lymphocytes, especially T_(H)1 and T_(H)2 lymphocytes, monocytes, intestinal macrophages, granulocytes, epithelial cells, and fibroblasts. (Reviewed in G. Rogler and T. Andus, Cytokines in inflammatory bowel disease, World J. Surg. 22(4):382-89 [1998]; H. F. Galley and N. R. Webster, The immuno-inflammatory cascade, Br. J. Anaesth. 77:11-16 [1996]). Some cytokines are pro-inflammatory (e.g., tumor necrosis factor [TNF]-α, interleukin [IL]-1(α and β), IL-6, IL-8, IL-12); others are anti-inflammatory (e.g., IL-1 receptor antagonist [IL-Ira], IL-4, IL-10, IL-11, and transforming growth factor [TGF]-β). However, there may be overlap and functional redundancy in their effects under certain inflammatory conditions.

[0008] One group of cytokines, the TL-6-type, are also important in the regulation of complex cellular processes such as gene activation, proliferation and differentiation. The IL-6-type cytokines include IL-6, IL-11, leukemia inhibitory factor (LIF), oncostatin M, ciliary neutrophic factor, and cardiotrophin-1. (Reviewed in P. C. Heinrich et al., Interleukin-6-type cytokine signaling through the gp130/JAK/STATpathway, Biochem. J. 334(Pt 2):297-314 [1998]). The IL-6-type cytokines (also known as the gp130 signaling subunit cytokine family) have in common that signal transduction proceeds through a pathway beginning with ligand binding by type I and type II surface receptors, internalization involving affinity converter/signal transducing subunit gp130, the activation of the Janus family of cytoplasmic tyrosine kinases (e.g., Jak1, Jak2, and Tyk2); this results in the phosphorylation and dimerization of the signal transducers and activators of transcription (STAT)-1 and STAT-3 that activate transcription from promoters having STAT recognition sites. (Heinrich et al. [1998]; M. Ernst et al., Gp130-mediated signal transduction in embryonic stem cells involves activation of Jak and Ras/mitogen-activated protein kinase pathways, J. Biol. Chem. 271(47):30136-43 [1996]; R. Starr et al., A family of cytokine-inducible inhibitors of signaling, Nature 387(6636):917-21 [1997]; T. Hirano et al., Cytokine & Growth Factor Rev. 8:241-52 [1997]; E. Arzt & G.K. Stalla, Neuroimmunomodulation 3:28-34 [1996]; S. J. Haque & B. R. G. Williams, Semin. Oncol. 25 (suppl. 1):14-22 [1998]). This pathway is known as the Jak-STAT signaling cascade.

[0009] Several IL-6-type cytokines are important neuro-immuno-endocrine modulators of the hypothalamo-pituitary-adrenal (HPA) axis (Arzt, E. & Stalla [1996]; S. Melmed, Trends Endocrinol. Metab. 8:391-97 [1997]; H. O. Besedovsky, & A. Del Rey, Endo. Rev. 17:64-102 [1996]), which regulates metabolism, including growth, body temperature, water balance, blood sugar, fat metabolism, and sexual and nerve function. For example, LIF is a potent auto-paracrine stimulus of pituitary proopiomelanocortin (POMC) gene expression and adrenocorticotrophic hormone (ACTH) secretion, which stimulates the adrenals to produce additional hormones. Thus, LIF modulates the HPA axis response to various inflammatory and stress stimuli. (Z. Wang et al., Endocrinology 137:2947-53 [1996]; C. J. Auernhammer et al, Endocrinology 139:2201-08 [1998a]). In vitro experiments using human fetal pituitary cells(I. Shimon et al., J. Clin. Invest. 100: 357-63 [1997])and the corticotroph cell line AtT-20 (S. Akita et al., J. Clin., Invest 95, 1288-1298 [1995]; C. Bousquet et al., J. Biol. Chem 272:10551-57 [1997]), showed a profound and synergistic action of LIF and corticotropin-releasing hormone (CRH) on POMC gene expression and ACTH secretion. LIF is known to induce the Jak-STAT signaling cascade in the corticotroph cells. (C. J. Auernhammer et al., Pituitary corticotroph SOCS-3: novel intracellular regulation of leukemia-inhibitory factor-mediated proopiomelanocortin gene expression and adrenocorticotropin secretion, Mol. Endocrinol. 12(7):954-61 [1998b]; I. Shimon et al. [1997]; D. W. Ray et al., Leukemia inhibitory factor (LIF) stimulates proopiomelanocortin (POMC) expression in a corticotroph cell line. Role of STATpathway, J. Clin. Invest. 97(8):1852-59 [1996]; D. W. Ray et al., Ann. N.Y. Acad. Sci. USA 840:162-73 [1998]).

[0010] A new family of cytokine-inducible proteins has recently been described that inhibits the Jak-STAT signaling cascade. (E.g., S. E. Nicholson et al., The SOCS proteins: a new family of negative regulators of signal transduction, J. Leukoc. Biol. 63(6):665-68 [1998]; R. Starr et al., SOCS: suppressors of cytokine signaling, Int. J. Biochem. Cell. Biol. 30(10): 1081-85 [1998]). These proteins have been variously termed suppressors of cytokine signaling (“SOCS”)(R. Starr et al., A family of cytokine-inducible inhibitors of signaling, Nature 387(6636):917-21 [1998]; D. J. Hilton et al., Proc. Natl. Acad. Sci. USA 95:114-19 [1998]), STAT-induced STAT inhibitors (SSI)(T. Naka et al., Nature 387:924-28[1997]; S. Minamoto et al., Biochem. Biophys. Res. Commun 237:79-83 [1997]), cytokine-inducible SH2 containing protein (CIS)(A. Yoshimura et al., EMBO J. 14:2816-26 [1995]; M. Masuhara et al.,Biochem. Biophys. Res,. Commun. 239:439-46 [1997]; A, Matsumoto et al, Blood 89:3148-54 [1997]), and Jak binding protein (JAB)(T. A. Endo et al., Nature 387:921-24 [1997]; H. Sakamoto et al., Blood 92:1668-76 [1998]). The SOCS-protein family currently consists of CIS and SOCS-1 through 7. (D. J. Hilton et al.[1998]; M. J. Aman & W. J. Leonard, Curr. Biol. 7:R784-R788 [1997]; R. Starr & D. J. Hilton, Int. J. Biochem. Cell Biol. 30:1081-85 [1998]).

[0011] SOCS-protein expression is stimulated by various cytokines in a tissue specific manner (R. Starr et al., Nature 387:917-21 [1997]; M. J. Aman & W. J. Leonard [1997]; H. Sakamoto et al. [1998], H. O. Besedovsky, & A. Del Rey [1996]; T. E. Adams et al., J. Biol. Chem. 273:1285-87 [1998]; C. Bjorbaeketal., Mol. Cell 1:619-625 [1998]). The gene expression of SOCS-1/SSI-1/JAB and SOCS-3/SSI-3/CIS-3, referred to herein as SOCS-1 and SOCS-3, are induced by IL-6 and LIF in various tissues (R. Starr et al. [1997]; D. J. Hilton et al. [1998]; T. Naka et al. [1997]; S. Minamoto et al. [1997]; M. Masuhara et al. [1997]; A. Matsumoto et al. [1997]; T. A. Endo et al. [1997]). For example, SOCS-3 gene expression is rapidly induced by LIF in the pituitary in vivo, and in corticotroph AtT-20 cells in vitro. (C. J. Auernhammer et al. [1998b]).

[0012] Both, SOCS-1 and SOCS-3 proteins bind to the JH1 domain of Jak-2 and thereby inhibit IL-6-, IL-11-, or LIF-induced tyrosine phosphorylation activity by Jak-2 of gp 130 and STAT-3. (S. Minamoto et al. [1997]; M. Masuhara et al. [1997]; C. J. Auernhammer et al. [1998b]). SOCS-3 is induced by growth hormone (GH) in the liver, and inhibits GH-induced Spi 2.1 promoter activity. (T. E. Adams et al. [1998]). SOCS-3 inhibits LIF-induced POMC gene expression and ACTH secretion (C. J. Auernhammer et al. [1998b]), thus providing an intracellular negative feedback regulation of cytokine-induced activation of the HPA-axis. Hypothalamic SOCS-3 gene expression is stimulated by leptin, and SOCS-3 inhibits leptin-induced signal transduction (C. Bjorbaek et al, Mol. Cell 1:619-625 [1998]), thus suggesting its regulatory role in central leptin resistance.

[0013] The structure of SOCS proteins has been described. (e.g., S. E. Nicholson et al., Mutational analyses of the SOCS proteins suggest a dual domain requirement but distinct mechanisms for inhibition of LIF and IL-6 signal transduction, EMBO J. 18(2): 375-85 (January 1999). Dominant negative STAT-3 mutants, isolated by substitution of a carboxy-terminal tyrosine phosphorylation site Tyr⁷⁰⁵ to Phe¹⁰⁵ (STAT-3F) or mutation at positions important for DNA binding (STAT-3D) have been recently described (K. Nakajima et al., EMBO J. 15:3651-58 [1996]). Overexpression of these STAT-3 dominant negative mutants in corticotroph AtT-20 cells inhibits LIF-induced POMC gene expression and ACTH secretion. (C. Bousquet & S. Melmed, J. Biol. Chem. 274:10723-30 [1999]). Cytokine-induced gene expression of SOCS-1 has been shown to be inhibited in cells overexpressing dominant negative STAT-3 mutants (T. Naka et al. [1997]), but the promoter region of SOCS-1 has not been cloned.

[0014] Therefore, there remains a definite need for a promoter sequence capable of regulating expression of preselected proteins, such as SOCS-3 protein, and that can be targeted by gene therapy to treat growth disorders, autoimmune diseases, immune diseases, and inflammatory conditions. This and other features and benefits provided by the present invention will now be described.

SUMMARY OF THE INVENTION

[0015] The present invention relates to a nucleic acid construct comprising a murine SOCS-3 promoter sequence, or a non-murine homologue thereof, or an operative fragment or derivative of any of these. The construct can also contain, operatively linked to the SOCS-3 promoter, a DNA sequence encoding a gene for any preselected protein or a gene-specific part of such a DNA sequence, or to a DNA sequence that encodes a preselected gene-specific antisense RNA or a catalytic RNA. A preselected protein that is encoded by the nucleic acid construct can be from an autologous, allogeneic, or xenogeneic source. In addition, the present nucleic acid construct optionally contains a reporter gene to facilitate detection and/or selection of successfully transfected cells. The present nucleic acid construct is particularly useful for linking expression of a desired gene product to physiological processes that are regulated by gp130-mediated signal transduction from IL-6-type cytokines (i.e., cytokines of the gp130 signaling subunit cytokine family), such as IL-6, IL-11, or LIF. For example, when the encoded protein is a SOCS-3 protein, the present nucleic acid can be used to modulate the physiology and/or hormonal secretions of cells of the hypothalamus, pituitary, adrenals, liver, or other tissues, through a negative autoregulatory feedback of SOCS-3 on its own cytokine-induced gene expression.

[0016] The present invention also relates to a transgenic vertebrate cell containing the nucleic acid construct of the present invention and to transgenic non-human vertebrates comprising such cells.

[0017] The present invention also relates to a method of treating a growth retardation disorder in a human subject. The method involves genetically modifying a GH-responsive or gp130-responsive cell(s) of a human subject having a growth retardation disorder, such as dwarfism, GH deficiency, gonadal dysgenesis, chondrodystrophy, or bone-cartilage dysplasia. The cell(s) are genetically modified using a nucleic acid construct that comprises a SOCS-3 promoter sequence, or operative fragment thereof, operatively linked to a DNA sequence that encodes an RNA that specifically hybridizes to a functional SOCS-3 mRNA. In response to a growth-inducing cytokine, in vivo, the genetically modified cell(s) within the human subject, transcribe an RNA transcript that specifically hybridizes to a functional SOCS-3 mRNA, preventing translation therefrom. This RNA transcript can be an antisense RNA or a catalytic RNA (ribozyme) that cleave the SOCS-3 mRNA. As a consequence, the amount of SOCS-3 protein produced within the genetically modified cell(s) is relatively reduced, and one or more symptoms of the growth retardation disorder in the subject are thereby improved, due to a lessening of SOCS-3-mediated signal suppression within the genetically modified cell(s).

[0018] The present invention also relates to a method of treating a growth acceleration disorder in a human subject. The method involves genetically modifying a GH-responsive or gp130-responsive cell(s) of a human subject having a growth acceleration disorder, such as gigantism, acromegaly, or Cushing's disease. The cell(s) are genetically modified using a nucleic acid construct, comprising a SOCS-3 promoter sequence, or operative fragment thereof, operatively linked to a DNA sequence encoding a SOCS-3 protein, or functional fragment thereof In response to the growth-inducing cytokine, in vivo, the genetically modified cell(s) produce an enhanced amount of SOCS-3 protein. The symptom(s) of the growth acceleration disorder in the subject are thereby improved, due to enhanced SOCS-3-mediated cytokine signal suppression.

[0019] The present invention also relates to a method of treating an autoimmune disease, immune disease, or inflammatory condition in a human subject having a condition, such as Crohn's disease, ulcerative colitis, multiple sclerosis, systemic lupus erythematosus, rheumatoid arthritis, Grave's disease, or a neuroendocrinological response to psychological or physical stress. The method involves genetically modifying a gp130-responsive cell(s), responsive to a pro-inflammatory cytokine, such as IL-6 or LIF. The cell(s) are genetically modified using a nucleic acid construct that includes a SOCS-3 promoter sequence, or operative fragment thereof, operatively linked to a DNA sequence encoding a SOCS-3 protein, or functional fragment thereof. In response to a pro-inflammatory cytokine of the gp130 signaling subunit cytokine family, in vivo, the genetically modified cell(s) produce an enhanced amount of SOCS-3 protein. The symptom(s) of the autoimmune disease, immune disease, or inflammatory condition in the subject are thereby improved, due to a relative increase in SOCS-3-mediated signal suppression.

[0020] Alternatively, the SOCS-3 promoter is operatively linked to a DNA sequence encoding a functional anti-inflammatory cytokine of the gp130 signaling subunit cytokine family, such as IL-11, linked to a functional secretory signal. In response to a pro-inflammatory cytokine of the gp130 signaling subunit cytokine family, in vivo, the genetically modified cell(s) produce and secrete an enhanced amount of the anti-inflammatory cytokine. The symptom(s) of the autoimmune disease, immune disease, or inflammatory condition in the subject are thereby improved.

[0021] The present invention also relates to a kit for genetically modifying a vertebrate cell. The kit includes a polynucleotide comprising a murine SOCS-3 promoter sequence having SEQ. ID. NO.: 1, or an operative fragment or non-murine homologue thereof, or an operative derivative of any of these. Preferably, the polynucleotide includes, operatively linked to the SOCS-3 promoter, at least one DNA sequence encoding a preselected protein or a gene-specific part of such a DNA sequence, or a DNA encoding a preselected gene-specific antisense RNA or a specific catalytic RNA, as appropriate for a particular application. Optionally, the promoter is linked to a reporter gene for facilitating detection, isolation, or selection of genetically modified cells from unmodified cells. Some embodiments of the kit are configured for use in practicing the present methods of treating a growth retardation or acceleration disorder in a human subject or the present method of treating an autoimmune disease, immune disease, or inflammatory condition in a human subject.

[0022] These and other advantages and features of the present invention will be described more fully in a detailed description of the preferred embodiments which follows. In addition, the present invention is further described by the disclosures of U.S. Ser. No. 09/327,138, filed Jun. 7, 1999; U.S. Ser. No. 10/124,905, filed Apr. 17, 2002; and U.S. Ser. No. 10/136,224, filed Apr. 29, 2002, the entire specifications and drawings of which are incorporated herein by reference.

BRIEF DESCRIPTION OF THE DRAWINGS

[0023]FIG. 1 shows stimulation of expression from the murine SOCS-3 promoter in corticotroph AtT-20 cells treated with 0.5×10⁻⁹ M LIF, IL-6, or IL-11 for 60 and 120 min, respectively. FIG. 1A shows a Northern blot analysis performed with 25 μg total RNA per lane. The upper panel shows SOCS-3 mRNA; the lower panel shows β-actin mRNA. FIG. 1B shows luciferase activity in AtT-20 cells transfected with pGL3Basic alone or a −2757/+929 murine SOCS-3 promoter-pGL3Basic construct (clone 6).

[0024]FIG. 2 shows LIF-induced SOCS-3 promoter activity and gene expression in corticotroph AtT-20 cells overexpressing wild type STAT-3 (AtT-20W) or dominant negative STAT-3 mutants (AtT-20F and AtT-20D), as well as wild type SOCS-3 (AtT-20S) and mock-transfected (AtT-20M); cells were treated with 0.5×10⁻⁹ M LIF for 45 min. FIGS. 2A and 2D show Northern blot analysis performed with 15 μg total RNA per lane for a representative experiment; upper panel shows SOCS-3 mRNA; lower panel shows β-actin mRNA. FIGS. 2B and 2E show Northern blot signals for SOCS-3 mRNA analyzed by quantitative densitometry and normalized for β-actin mRNA. FIGS. 2C and 2F show relative luciferase activity in various cell clones bearing a −2759/+927 murine SOCS-3 promoter-pGL3Basic construct (clone 6).

[0025]FIG. 3 shows relative luciferase activities in transiently transfected AtT-20 cells bearing different constructs of the genomic 5′-region of murine SOCS-3. Luciferase activity was measured in untreated (filled bars) and LIF-stimulated (unfilled bars) AtT-20 cells. Crossed lines indicate a deletion of STAT binding elements in Clone 6D1 (SEQ.ID.NO.: 35) and 6D2 (SEQ.ID.NO.: 36), in between the named nucleotides. A dotted line indicates a mutation of the wild type STAT binding sequence (5′-TTCCAGGAA-3′; SEQ. ID. NO: 13) with mutant (5′-ATCGACGAT-3′; SEQ. ID. NO.: 14) in clone 6M1 (SEQ.ID.NO.: 37). Clone 2 corresponds to SEQ.ID.NO.: 38; Clone 4 corresponds to SEQ.ID.NO.: 2; Clone 6 corresponds to SEQ.ID.NO.: 3; Clone 6T1 corresponds to SEQ.ID.NO.: 4; Clone 6T2 corresponds to SEQ.ID.NO.: 5; Clone 6T3 corresponds to SEQ.ID.NO.: 12; Clone 6T4 corresponds to SEQ.ID.NO.: 6; and Clone 8 corresponds to SEQ.ID.NO.: 39. The nucleotide sequence at the top of FIG. 3, marked as −101 through −62, corresponds with nucleotide positions 2807 through 2846 of SEQ.ID.NO.: 1.

DETAILED DESCRIPTION OF THE SPECIFIC EMBODIMENTS

[0026] The present invention relates to a nucleic acid construct comprising a murine SOCS-3 promoter sequence, or an operative fragment thereof, or a non-murine homologue thereof or an operative derivative of any of these.

[0027] The following nucleotide sequence represents the full length ˜3.8-kb genomic 5′-region of the murine SOCS-3 gene (GenBank Accession AF117732). The transcription start site is defined as +1. An untranscribed region extends from nucleotide −2907 to −1, inclusive. A transcribed but untranslated region (exon 1) extends from +1 to +289; exon 2, begins at +854 ( exons are underlined), and contains the intronless coding region of SOCS-3 with a translational start site encoded at nt. +944 to +946. (R. Starr et al. [1997]). The translation initiation codon ATG (nt. +944 to +946) and a TATA-box (nt. −39 to '34) are indicated in boldface type. Two potential STAT-binding elements (nt. −74 to −66 and nt. −97 to −88) are in boldface and underlined: (SEQ ID NO:1) −2907 GACGTTCCTA AAAGCATGCA TGTCACCCAG CTTACCCACC CATCTCAGGC CACAGCAGCC −2847 TGAGAGAGCG GAAGAACACC TGCTGGTCCT GTCCCACCTC TCCTCTTCAA ACAGCCCCAC −2787 ATCCTCCAGT TTTGCTCTGG GTGGAGCTCC CTGCTGGCCC TGCAGAGGGA AGGCTCTCCT −2727 AAGCATCATC TATCAGAACG TCTTCAAAAA AAAAAAAAAA AAAAAAAAAG CCTCTCCAGC −2667 CAGGCTAGCT CTAACACCAT TTCTTCCCCT TCCCCTCTCT CAAATTCACT TATCTTTTTT −2607 TTTTTTTTTT TTTTTGGATT TTTGAGACAG GGTTTCTCTG TATAGCCCTG GTTGTCCTGG −2547 AACTCACTTT GTACACCAGC CTGGCCTCGA ACTCAGAGAT CCACCTGCCT CTGCCTCCTG −2487 AGTGCTGGGA TTAAAGGCGT GCGCCACCAC GCCCGGCTAA ATTCACTTAT CTATTTAATG −2427 TATATAGGGT ATAGGCTGCC CTTGAACTCA CAAAGATCTG CTTGCTTTGC TTCTGGAATA −2367 CTAAAGGTGT GTGCTACCAT CACAGGGACC AAGATTTATT TTAATTCTGT ATATGTGTGT −2307 GTGTGTGTGT GTGTATGGGG GGTGCACATG AGTACAGATT CCCTTGGAGG CCTGGGGTGG −2247 CTTAGGACTG GGGTTACAAC AGTTGTGACC CATCCTACAT AGGTCCTGGC ACCAACACCC −2187 CCCCCCCCCC CCCCCGTCTT CCAGAAGTGC AGCAGGTGTT CTTAACTGCT GAGCCAGCAA −2127 TCCAGCCCCT GACTTCCCTC TCTTACTTAA GAAGCTATCA CAGTGTCTCA CTGGGTCACA −2067 ATCATGACTA GTCCTTGCTC ATGGCCCACA GCCTCTTCCC CACTGTGGGT TTTGCCCCGC −2007 AGCTCTGCCG CCCCAGCGCT GCACCCGAGG CCTGACAGAG CCAGGCACGA AGTCAGGGTT −1947 TGTGGAATGG ATGAATGAAC TTGACTCGTG GCAGAGCATT GTAATTTACA AAGCACTTC −1887 CCATCCATTA ACTCCAGGGC TATTTCCTAA GAGTCCTCCC TGTCCTCCAC TGCCCTCGGC −1827 TCAGAGGCAT ACGGTCAAGG CAGTGGCTGG GGAACACTCC CTGAATGAGA TCAAGGAGGG −1767 CTTGTTCACA GAGAAAGGGA GAATCCATTT GGGGAGCCTG AGAGTGACTC GAAGGCAAGG −1707 ACTGGGCCTC ACCTGTGGGA TCTCCATCTG TGAGCATCCG CTCATCAGAC CAGTGTGAGA −1647 TATTTTAAAT AAGGCCCCTA AGCCTCTTGA CTACTGGAAT TGCCAGGGGC GGGGGACAGA −1587 TGGGCACCCA TCCCTATTTA ACAGATAACA AGACTGAGTC CAGAGAGGCA GTGCACCTGC −1527 CCTGGTCTCT CTTAGTTCCT CAGCATCAGT GGAGCAGATT GGACACAGTG GGCCAGAAGG −1467 GAAGCAGGCA GCCCTCCCTC CTAGCCCAAG CTACTCTGTG TAGTCAGTTT GCCCTCCTAC −1407 TGGTGTTACA AGAAGCCTGT GGTATCCAAG AGGGCAGGTC AGAAAGCCCA CTGAGAGCAG −1347 ACACTGTGTG TCACTTAGCT GGTTCTCAGG TGGCTGCCAC TTCCTGCTGC CTGTTGCAAA −1287 ACTCGACACT AGGCCTTTAT AGATACTCAC GTGACCAGGA GTAAACAACC TTTCACCTCA −1227 ATCACCTGCT CTTATCAATA CTCCCTCTCC ACCCCACCAT CGGGAAAGTT CAGACACCTT −1167 AAAACGTAGA GGCAAGAGAG GGTCCATTCT GACACCTCAG CGACTTTCAG GCAGTGGCTG −1107 AACCCGTTAC AACGCTCTGT GGACAGTCCT CCTAGTCGAC ATTCCTTCTC AGGTTTGACC −1047 CTGTCCTGGG AAGTGAGGCT TCTCTCTCTG GGTTCCCCAC TCCTGTTCTT GAATAAGGAG −987 CCCCACAACC TCTTATTCTC TCTATACAGA GCCTGGGAAA CAGCAAAACT CGGCTCGCCT −927 ACAAGACTCC AGCGCGCCCT CTGGTGGACT CGGGGGACGA GCATGGGATG AGGGTTTCTT −867 TCCTCTAGCT CCCCCACCGC GCCGAGAGTA CCTGGGCGGA CCCACAGTTC GCCACGCAGG −807 TTGGGAGGCC CAGATGAGTG ATAAGGTAGT AGTTAGCTGC TCCTCCCACC CCACTCCCCA −747 AAGGACATCA GCACCCACGT CTGTCACCGA AGAACCAGGC AATGGGCGGA TGAGCTGAGG −687 CCAGGTAGCT GCTTCTAAGT CAGTGTCTCC TCCACTTCTG GATCTCACAG CTTCATCTTT −627 TGGACCTGTC TACAGGTAAA TGTCGCGCAT CCCCCTCCTC CACTTCCTAG GTCCCCAGTG −567 GGCTGGTGGC TGAATGGTCC TACGTCCCTT TTGGTTGGCA CGGGATGCTT GGAACTGTAC −507 ATGAGGACCT CGGGGTGGCC TGGGTGCAGA GGGAGGGGAG CGTCCCCGCG GGGATCAAAA −447 GAAAGGGAAG GGGTGCCAGG AGGGAGCCTC TCCCGGCTGG CCTCCTAGAA CTGCCCGCGC −387 GCTCCCATCG CGACGCCCCC GCCTCTGCCA GAAACCAGCC TTCTTAGAAG GGAGGGGGGG −327 GAAAGTGTGA ATGAGAAGTT GGGGGCGGAG CGCGCGGGGG AGGGGCCGCT GCCAGGAACG −267 CTCGGCCAAG GCTGGCGCCG CGCCCGCCGG TCGGGCAGCC TCGCGCCGCG CTTTGTCTCC −207 CTCTCGGTGA GTCTCGGCGG GTCCTGGAGG CCCCAGCTCC AAGCCCGCCC TCCGCAGCCC −147 CTCCCTCGCC CTCCGCGCAC AGCCTTTCAG TGCAGAGTAG TGACTAAACA TTACAAGAAG −87 ACCGGCCGGG CAG TTCCAGG AA TCGGGGGG CGGGGCGTAC TGGCCGGGTA AATACCCGCG −27 CGCGCGGCCT CCGAGGCGGC TCTAACTCTG ACTCTACACT CGCCCGCTCC TACGACCGCT +34 GTCTCTCCGG GCTCCCGGAC GCCCCCTTCC CGGCCCAGCT CTCCGTCGAG GTCCCTCGCC +94 CAGGTCCTTT GCCTGATTCG CCCAGGAGTG CGCCTCATCG GCCCGGGGAG CAGCGAAGCC +154 AGAGGGGGCG CACGCACGGG GAGCCCCTTT GTAGACTTCA CGGCTGCCAA CATCTGGGCG +214 CAGCGCGAGC CACTGCTGGG CGCCGCCTCG CCTCGGGGAC CATAGGAGGC GCAGCCCCAA +274 GGCCGGAGAT TTCGCT TCGG GACTAGGTAG GAAGGAGGGG CGCGGTGTGG GGAAGGGTGG +334 GGGCATCGGT CCAGCTCGGG AGCTTTTCCC GGTTTCTCCT CCCCTTCCCG GGTCATTCCC +394 GGTAGGGAGG GGACGAGGCA GGGGGCAGAG CGGATGAGAA CCGAAGATCC CTGATTCCCG +454 TCATACTCAG ACTGGGGCCC TCGGGTTTCT CCTGTCCCCT CTCTCACATA TCTCGGGTTI7 +514 GGCACCCCCC TTTTTTCGCC CTCGCCACTG AGGACACCGG ACTGAGAGGC GCCCTGAGCG +574 TCCCTAGGGC TCTTGTGTCT CTCCCCATCC TGGCCGCGCT CCTGGAGACC CAACTTCCAC +634 GCGCGAGTTT TCTCTGGGCG TCCTCCTAGG GCGGGCAGGG GAAGAGACTG TCTGGGGTTG +694 GCCGGCAGTG ACCGAGGACA GTCGAGTTCC GCGAGGTGGC TGGGCCTGAG ACACGGTCTA +754 AAGCGGGGCA AAGGGGTGCC CCGGGCGCTA GGCGGAGGCT GGAGGGCCGG GCACGCTGGA +814 GGGTTCCGGG CACTCACGCG CCTCACGCTT TGCTCTCTGC AGCTCCCCGG GATGCGGTAG +874 CGGCCGCTGT GCGGAGGCCG CGAAGCAGCT GCAGCCACCG CCGCGCAGAT CCACGCTGGC +934 TCCGTGCGCC ATGGTCACCC ACAGCAAGTT TCCCGCCGCC GGGATGAGCC GCCCCCTGGA +994 CACCAGCCTG CGCCTCAAGA CCTTCAGCTC CAAAAGCGAG //

[0028] A preferred embodiment of the SOCS-3 promoter of the present invention is a DNA fragment with the sequence of nt. −2907 to +1033, inclusive (SEQ. ID. NO.: 1). Other preferred embodiments of the SOCS-3 promoter include any operative fragment of SEQ. ID. NO.: 1 or non-murine homologue thereof, or an operative derivative of any of these.

[0029] Preferred examples of an operative fragment include the −2759 to +104 fragment (SEQ. ID. NO.: 2); the −2759 to +927 fragment (SEQ. ID. NO.: 3); the −1864 to +927 fragment (SEQ. ID. NO.: 4); the −857 to +927 fragment (SEQ. ID. NO.: 5); the −63 to +927 fragment (SEQ. ID. NO.: 6); the −97 to +927 fragment (SEQ. ID. NO.: 7); the −97 to +104 fragment (SEQ. ID. NO.: 8); the −87 to +927 fragment (SEQ. ID. NO.: 9); the −87 to +104 fragment (SEQ. ID. NO.: 10); and the −275 to +158 fragment (SEQ. ID. NO.: 11). A most preferred example is the −161 to +927 fragment (SEQ. ID. NO.: 12).

[0030] Non-murine homologues include any SOCS-3 promoter sequence of non-murine origin that functions in a vertebrate cell type of interest.

[0031] Another preferred embodiment of a SOCS-3 promoter is an operative derivative of SEQ. ID. NO: 1, or of any operative fragment of SEQ. ID. NO.: 1 or non-murine homologue thereof, having the translational start site (the ATG in bold at nt. +944 to +946 of the murine sequence above) changed to ATT, or changed to a codon sequence, other than ATT, that is also not recognized as a translational start site; another preferred SOCS-3 promoter is a derivative of SEQ. ID. NO.: 1 with the codon of the first translational start site deleted altogether. Other operative derivatives include SOCS-3 promoter sequences containing a mutation, polymorphism, or variant allele with respect to any nucleotide position of SEQ. ID. NO.: 1 that does not fully eliminate promoter activity, for example, a deletion of nt. −101 to −62, or a deletion of nt. −80 to −60, or a mutation of nt. −74 to −66. The skilled practitioner is aware of suitable methods for site-directed mutagenesis, e.g., the method of Deng and Nickoloff (W. P. Deng and J. A. Nickoloff, Analyt. Biochem.200:81-88 [1992]), and commercial site-directed mutagenesis kits are available, for example the Transformer® site-directed mutagenesis kit (Clontech).

[0032] The murine SOCS-3 gene promoter contains a pair of STAT binding elements TT(N₅)AA (SEQ ID NO: 3 1), separated by 14 nucleotides, at nt. −74 to −66 and at nt. −97 to −88. In this respect, the murine SOCS-3 promoter is structurally similar to the human CIS gene promoter, which contains two functionally important pairs of STAT binding elements and is upregulated by a STAT-5 dependent pathway. (A. Yoshimura et al. [1995]; A. Matsumoto et al. [1997]; F. Verdieretal., Mol. Cell. Biol. 18:5852-60 [1998]). However, for activity from the present SOCS-3 promoter, only the STAT binding element at −74 to −66 is essential for optimal operability.

[0033] In a preferred embodiment, the SOCS-3 promoter is operatively linked to a DNA having a DNA sequence encoding any preselected protein or series of preselected proteins. For purposes of the present invention, “operatively linked” means that the promoter sequence, is located directly upstream from the coding sequence and that both sequences are oriented in a 5′ to 3′ manner, forming a transcriptional unit, such that transcription could take place in vitro in the presence of all essential enzymes, transcription factors, co-factors, activators, and reactants, under favorable physical conditions, e.g., suitable pH and temperature. This does not mean that, in any particular cell, conditions will favor transcription.

[0034] These DNA sequence encoding a preselected protein(s), or a gene-specific part, are derived from the genome of any eukaryotic organism, prokaryotic organism, or virus, and can be autologous, allogeneic, or xenogeneic with respect to the host cell. DNA sequences having a “normal” form of a gene, or a desirable allele thereof are useful in genetic therapy to compensate for endogenous production of defective protein(s) or the underexpression or overexpression of normal protein(s). In some embodiments, natural variant alleles of a gene are used, or novel genetic modification(s) are artificially induced in the DNA sequence encoding the preselected protein. Variant alleles or mutations are not limited to single nucleotide polymorphisms (SNPs), but also include deletions, insertions, inversions, translocations, transitions, tranversions, or repeats. Mutations or variations are artificially induced in the DNA sequence encoding the preselected protein by a number of techniques, all of which are well known in the art. Alternatively, the DNA sequence linked to the SOCS-3 promoter encodes a gene-specific antisense RNA, such as an antisense RNA that specifically hybridizes to SOCS-3 mRNA, preventing translation therefrom. In another embodiment, the DNA sequence encodes a catalytic RNA, such as a “hairpin” or “hammerhead” ribozyme, that specifically hybridizes to a predetermined mRNA of interest and cleaves it, thereby preventing any further translation therefrom.

[0035] Most preferably, transcription of the DNA sequence from the SOCS-3 promoter results in RNA transcript that is biologically active in the cell or organism of interest, for example, as mRNA that is translated into functional protein(s); or as antisense RNA that specifically hybidizes with a functional mRNA of interest, for example a SOCS-3 mRNA, and thus prevents its translation to protein; or as catalytic RNA that specifically hybridizes with and cleaves a predetermined mRNA of interest.

[0036] In one embodiment, the preselected protein is a SOCS-3 protein, or a functional fragment thereof Transcription of the DNA sequence encoding the SOCS-3 protein produces mRNA transcript, which is translated into SOCS-3 protein, or a functional fragment thereof Thus one benefit of the present invention is that the nucleic acid can be used in a genetic therapy to correct clinical disorders derived from defective negative regulation of cytokine signal transduction in GH-responsive or gp130-responsive cells. Such defective negative regulation can result from, but need not result from, endogenous underexpression of functional SOCS-3 protein, which protein inhibits in an autocrine manner the cytokine-induced Jak-STAT cascade and SOCS-3 protein synthesis itself But an unmodulated cellular response to GH and IL-6-type cytokine signaling caused by a defect in any of various components of the cellular signal transduction mechanism can also be negatively regulated using the present nucleic acid construct containing a DNA sequence encoding a SOCS-3 protein, or a functional fragment thereof

[0037] In another embodiment, the DNA sequence operatively linked to the SOCS-3 promoter, encodes a SOCS-3-specific nucleotide sequence, transcription of which results in the production of RNA transcript in an antisense orientation that can hybridize to SOCS-3- encoding mRNA to prevent synthesis of SOCS-3 protein. In another embodiment, SOCS-3-specific sequences are included in a DNA sequence that encodes a catalytic RNA that specifically hybridizes to SOCS-3 mRNA. These embodiments are beneficially applied to genetic therapy to correct clinical disorders derived from negative overregulation of cytokine signal transduction in GH-responsive or gp130-responsive cells.

[0038] Other preferred embodiments of the present nucleic acid construct also include, operatively linked to the SOCS-3 promoter, a DNA sequence encoding a reporter protein for facilitating the detection or selection of cells containing the present nucleic acid construct and expressing from the SOCS-3 promoter. Preferably, but not necessarily, the reporter gene encodes a fluorescent protein. Fluorescent proteins include green fluorescent protein (or enhanced green fluorescent protein), yellow fluorescent protein, blue fluorescent protein, a phycobiliprotein, such as phycoerythrin or phycocyanin, or any other protein which fluoresces under suitable wave-lengths of light. Another reporter gene suitable for some applications is a gene encoding a protein that can enzymatically lead to the emission of light from a substrate(s); for purposes of the present invention, such a protein is a “light-emitting protein.” For example, a light-emitting protein includes proteins such as luciferase or apoaequorin.

[0039] The DNA of animal cells is subject to methylation at the 5′ carbon position of the cytidine bases of CpG dinucleotides. Unmethylated CpGs are found preferentially in transcriptionally active chromatin. (T. Naveh-Many et al., Active gene sequences are undermethylated, Proc. Natl. Acad. Sci. USA 78:4246-50 [1981]). Hypermethylation is associated with transcriptional repression. (R. Holliday, The inheritance of epigenetic defects, Science 238:163-70 [1987]). Since some vertebrate cell types of interest may silence expression from the present SOCS-3 promoter sequence by methylation, the skilled practitioner is aware that suitable insulator elements can be employed. Preferably, this is done by flanking the transcriptional unit of the promoter sequence and included gene(s) with insulator elements, for example, by including double copies of the 1.2 kb chicken β-globin insulator element 5′ to the SOCS-3 promoter sequence and 3′ to the operatively linked gene(s) in the present DNA construct. (M. J. Pikaart et al., Loss of transcriptional activity of a transgene is accompanied by DNA methylation and histone deacetylation and is prevented by insulators, Genes Dev. 12:2852-62 [1998]; Chung et al., DNA sequence which acts as a chromatin insulator element to protect expressed genes from cis-acting regulatory sequences in mammalian cells, U.S. Pat. No. 5,610,053).

[0040] The present invention also relates to a transgenic vertebrate cell containing the nucleic acid construct of the present invention, regardless of the method by which the construct was introduced into the cell. The present cell is a growth hormone (GH)-responsive or gp130-responsive cell, for example, a cell that specifically binds any IL-6-type cytokine (i.e., binds a cytokine of the gp130 signaling subunit cytokine family). Embodiments include pituitary cells, hypothalamic cells, adrenal cells, intestinal cells, kidney cells, liver cells (e.g., hepatocytes), immune-competent cells, or bone-forming cells, such as osteoblasts. In one embodiment, the present cell is a corticotroph cell, but the cell may also be an intestinal epithelial cell, a lymphocyte, a somatotroph, a lactotroph, or a gonadotroph cell. For some in vitro applications, for example with a wide variety of non-murine cells, inhibitors of histone deacetylation and DNA methylation, such as trichostatin A or sodium butyrate, can be included in the culture medium to prevent possible silencing of expression from the SOCS-3 promoter. (M. J. Pikaart et al. [1998]).

[0041] The transgenic cells of the present invention are detected, isolated or selected from non-transgenic cells with the aid of, for example, a flow-activated cell sorter (FACS), set at the appropriate wavelength(s). Alternatively, the transgenic cells are detected, isolated or selected manually from non-transgenic cells using conventional microscopic technology.

[0042] In particular applications involving a transgenic cell that expresses additional xenogeneic genes from any promoter, this expression may be linked to a reporter gene that encodes a different fluorescent or light-emitting protein from the reporter gene linked to the SOCS-3 promoter. Thus, multiple reporters fluorescing or emitting at different wavelengths can be chosen and cell selections based on the expression of multiple traits can be made.

[0043] The present invention also relates to transgenic non-human vertebrates comprising such cells, for example, non-human primates, mice, rats, rabbits, gerbils, hamsters, canines, felines or other non-human mammals. Other vertebrates include birds such as chickens, turkeys, ducks, ostriches, emus, geese, guinea fowl, doves, quail, rare and ornamental birds, and the like. Broadly speaking, a “transgenic” vertebrate is one that has had foreign DNA permanently introduced into its cells. The foreign gene(s) which (have) been introduced into the animal's cells is (are) called a “transgene(s).” The present invention is applicable to the production of transgenic vertebrates containing xenogeneic, i.e., exogenous, transgenic genetic material, or material from a different species, including biologically functional genetic material, in its native, undisturbed form. In other embodiments, the genetic material is “allogeneic” genetic material, obtained from different strains of the same species, for example, from animals having a “normal” form of a gene, or a desirable allele thereof.

[0044] Gene delivery is by any suitable method including in vivo and vitro gene delivery methods. (E.g., D. T. Curiel et al., U.S. Pat. Nos. 5,521,291 and 5,547,932). Typically, gene delivery involves exposing a cell to a gene delivery mixture that includes preselected genetic material together with an appropriate vector, mixed, for example, with an effective amount of lipid transfecting agent (lipofection). The amount of each component of the mixture is chosen so that gene delivery to a specific species of cell is optimized. Such optimization requires no more than routine experimentation. The ratio of DNA to lipid is broad, preferably about 1:1, although other proportions may also be utilized depending on the type of lipid agent and the DNA utilized. This proportion is not crucial. Other well known gene delivery methods include electroporation or chemical methods. (E.g., M. Ostresh, No barriers to entry: transfection tools get biomolecules in the door, The Scientist 13(11):21-23 (1999).

[0045] “Transfecting agent”, as utilized herein, means a composition of matter added to the genetic material for enhancing the uptake of exogenous DNA segment(s) into a vertebrate cell. The enhancement is measured relative to the uptake in the absence of the transfecting agent. Examples of transfecting agents include adenovirus-transferrin-polylysine-DNA complexes. These complexes generally augment the uptake of DNA into the cell and reduce its breakdown during its passage through the cytoplasm to the nucleus of the cell.

[0046] Other preferred transfecting agents include Lipofectin®, DMRIE C, Cellfectin® or Lipofectamine (Life Technologies), LipoTAXI (Stratagene), Superfect or Effectene (Qiagen). Although these are not as efficient gene delivery (or transfecting) agents as viral transfecting agents, they have the advantage that they facilitate stable integration of xenogeneic DNA sequence into the vertebrate genome, without size restrictions commonly associated with virus-derived transfecting agents. A virus, or transfecting fragment thereof, can be used to facilitate the delivery of the genetic material into the cell. Examples of suitable viruses include adenoviruses, adeno-associated viruses, retroviruses such as human immune-deficiency virus, other lentiviruses, such as Moloney murine leukemia virus and the retrovirus vector derived from Moloney virus called vesicular-stomatitis-virus-glycoprotein (VSV-G)-Moloney murine leukemia virus, mumps virus, and transfecting fragments of any of these viruses, and other viral DNA segments that facilitate the uptake of the desired DNA segment by, and release into, the cytoplasm of cells and mixtures thereof. All of the above viruses may require modification to render them non-pathogenic or less antigenic. Other known vector systems, however, are also useful.

[0047] The present invention also relates to a method of treating a growth retardation disorder in a human subject, especially in a child or adolescent. The method involves genetically modifying a GH-responsive or gp130-responsive cell of a human subject having a growth retardation disorder, typically resulting in short stature, such as, but not limited to, dwarfism, GH deficiency, gonadal dysgenesis, chondrodystrophy, bone-cartilage dysplasia, or an idiopathic condition of severe short stature. Typically, the cell is a pituitary, adrenal, hypothalamic, liver, immune-competent, or bone-forming cell that is responsive to a growth-inducing cytokine in a paracrine manner. Examples include hepatocyte, lymphocyte, lymphocyte, chondrocyte, corticotroph, somatotroph, lactotroph, or gonadotroph cells, or cells derived from a pituitary tumor, adrenal tumor, hypothalamic tumor, liver tumor, or bone tumor.

[0048] The cell(s) are genetically modified by any suitable method, in vivo or in vitro, for example by transfection or transduction, using a nucleic acid construct of the present invention, comprising a SOCS-3 promoter sequence, or operative fragment thereof, operatively linked, in a transcriptional unit, to a DNA sequence encoding an RNA that specifically hybridizes to a functional SOCS-3 mRNA, i.e., a SOCS-3-specific antisense RNA. In response to the presence of a growth-inducing cytokine, in vivo, the cell transcribes, from the transcriptional unit, RNA transcript that hybridizes to SOCS-3 mRNA, preventing translation therefrom. This RNA transcript can be an antisense RNA or a catalytic RNA (ribozyme) that cleave the SOCS-3 mRNA. As a consequence, the amount of SOCS-3 protein produced within the genetically modified cell(s) is reduced relative to unmodified cells of the same kind, and one or more symptoms of the growth retardation disorder in the human subject are thereby improved, due to a lessening of SOCS-3-mediated suppression of gp130-mediated signal transduction from growth-inducing cytokines, such as GH, within the genetically modified cell(s).

[0049] The present invention also relates to a method of treating a growth acceleration disorder in a human subject. The method involves genetically modifying a GH-responsive or gp 130-responsive cell from a tissue of a human subject having a growth acceleration disorder, resulting in greater than normal enlargement of one or more parts of the body, such as, but not limited to, gigantism, acromegaly, Cushing's disease, or an idiopathic condition resulting in abnormal, non-edemic enlargement of bones, or facial or other soft tissue features. Typically, the cell is a pituitary, adrenal, hypothalamic, liver, immune-competent or bone-forming cell that is responsive to a growth-inducing cytokine in a paracrine manner. Examples include hepatocyte, lymphocyte, chondrocyte, corticotroph, somatotroph, lactotroph, or gonadotroph cells, or cells derived from a pituitary tumor, adrenal tumor, hypothalamic tumor, liver tumor, or bone tumor.

[0050] The cell(s) are genetically modified by any suitable method, in vivo or in vitro, for example by transfection or transduction, using a nucleic acid construct, in accordance with the present invention, comprising a SOCS-3 promoter sequence, or operative fragment thereof, operatively linked, in a transcriptional unit, to a DNA sequence encoding a SOCS-3 protein, or functional fragment thereof. In response to a growth-inducing hormone or cytokine, in vivo, SOCS-3 mRNA transcript is transcribed from the transcriptional unit, resulting in translation of SOCS-3 message to SOCS-3 protein. The amount of SOCS-3 protein produced is thereby enhanced in the genetically modified cell(s) in response to the presence of a growth-inducing cytokine, such as GH or a cytokine of the gp130 signaling subunit family, compared to the amount in unmodified cells of the same kind. The symptom(s) of the growth acceleration disorder in the subject are thereby improved, due to increased SOCS-3-mediated cytokine signal suppression within the genetically modified cell(s). Thus, for example, in pituitary corticotroph cells, ACTH secretion is suppressed by increased levels of SOCS-3, ultimately leading to less production of glucocorticoid hormones by the adrenals and ameliorating symptoms of Cushing's disease. Similarly, the effects of excess GH, as for example in acromegaly, are moderated in accordance with the present method.

[0051] The present invention also relates to a method of treating an autoimmune disease, immune disease, or inflammatory condition in a human subject. Such diseases or conditions include, but are not limited to, Crohn's disease, ulcerative colitis, multiple sclerosis, systemic lupus erythematosus, rheumatoid arthritis, Grave's disease, allergic or anaphylactic reactions, or neuroendocrinological responses to psychological or physical stress. The method involves genetically modifying a cell(s) from the subject that is gp130-responsive, i.e., responsive to at least one pro-inflammatory cytokine, such as IL-6, LIF, or any other pro-inflammatory cytokine for which signal transduction is gp130-mediated. Typically, the cell is a pituitary, adrenal, hypothalamic, liver, intestinal, nerve, kidney, immune-competent, or bone-forming cell that is responsive to a pro-inflammatory cytokine in a paracrine manner. Examples include hepatocyte, lymphocyte, chondrocyte, neuron, intestinal epithelial, corticotroph, somatotroph, lactotroph, or gonadotroph cells.

[0052] The cell(s) are genetically modified by any suitable method, in vivo or in vitro, for example by transfection or transduction, using a nucleic acid construct comprising a SOCS-3 promoter sequence, or an operative fragment thereof, operatively linked, in a transcriptional unit, to a DNA sequence encoding a SOCS-3 protein, or functional fragment thereof. In response to an inflammatory cytokine of the gp130 signaling subunit family, in vivo, SOCS-3 mRNA transcript is transcribed from the transcriptional unit, resulting in translation of SOCS-3 message to SOCS-3 protein. The amount of SOCS-3 protein produced is thereby enhanced in the genetically modified cell(s) in response to the presence of an inflammatory cytokine of the gp130 signaling subunit family, compared to the amount in unmodified cells of the same kind. One or more symptoms of the autoimmune disease, immune disease, or inflammatory condition in the subject are thereby improved, due to a relative increase in SOCS-3-mediated signal suppression.

[0053] In another embodiment, the nucleic acid construct that is used in the method comprises a SOCS-3 promoter sequence, or operative fragment thereof, operatively linked, in a transcriptional unit, to a DNA sequence encoding a functional anti-inflammatory cytokine of the gp130 signaling subunit cytokine family, such as IL-11, linked to a functional secretory signal. In response to the presence of a pro-inflammatory cytokine of the gp130 signaling subunit cytokine family, in vivo, the anti-inflammatory cytokine is produced and secreted by the modified cell(s), which has both paracrine and autocrine effects that improve One or more symptoms of the autoimmune disease, immune disease, or inflammatory condition in the subject.

[0054] In some embodiments of the present methods, gene delivery is done in vitro, and the cell(s) is first obtained from a tissue of the human subject by any suitable biopsy method, for example percutaneous biopsy, laparoscopic biopsy, or stereotactic cranial biopsy. Gene delivery is accomplished in vitro, and the genetically modified cell(s) are then re-implanted within the tissue of the human subject.

[0055] The nucleic acid construct that is used in the present methods optionally contains a reporter gene for convenient detection, isolation or selection of transgenic cells expressing from the SOCS-3 promoter as described herein. For particular applications, other DNA sequences encoding other preselected proteins are optionally linked to the SOCS-3 promoter, making their expression inducible by IL-6-type cytokines and gp130-mediated signal transduction.

[0056] The present invention also relates to a kit for genetically modifying a vertebrate cell. The kit is a ready assemblage of materials or components for facilitating the genetic modification of a vertebrate cell. The kit includes a polynucleotide comprising a murine SOCS-3 promoter sequence having SEQ. ID. NO.: 1, or an operative fragment or non-murine homologue thereof, or an operative derivative of any of these, as described herein with respect to the nucleic acid construct of the present invention. Preferably the polynucleotide includes a transcriptional unit that contains the SOCS-3 promoter, operatively linked to at least one DNA sequence encoding a preselected protein or to a gene-specific part thereof, such as a SOCS-3 protein, or a functional fragment thereof, and/or a reporter gene for facilitating detection, isolation, or selection of genetically modified cells from unmodified cells. The DNA sequence encoding the preselected protein can be in a sense or antisense orientation as appropriate for a particular application. Some embodiments of the kit are configured for use in practicing the present methods of treating a growth retardation or acceleration disorder in a human subject or the present method of treating an autoimmune disease, immune disease, or inflammatory condition in a human subject.

[0057] The kit optionally contains a suitable transfecting agent, as described above. The kit includes instructions for using the materials or components effectively. The materials or components assembled in the kit are provided to the practitioner stored in any convenient and suitable way that preserves their operability and utility. For example the components can be in dissolved, dehydrated, or lyophilized form; they can be provided at room, refrigerated or frozen temperatures.

[0058] The foregoing descriptions of the nucleic acid constructs, transgenic cells, transgenic vertebrates, methods, and kits of the present invention are illustrative and by no means exhaustive. The invention will now be described in greater detail by reference to the following non-limiting examples.

EXAMPLES Example 1

[0059] Materials and Methods

[0060] Materials. Recombinant murine LIF, IL-6, and IL-11 were purchased from R&D Systems (Minneapolis, Minn.). Mouse liver Marathon-Ready® cDNA, Advantage®-GC cDNA polymerase, mouse GenomeWalker® Kit, and Advantage®-GC genomic polymerase were from Clontech (Palo Alto, Calif.). Maxiscript®T7 polymerase kit and ribonuclease protection kit RPA-II® were from Ambion (Austin, Tex.). Polyclonal STAT-1 p84/p91 (M-22) and STAT-3 (H-190) antibodies were from Santa Cruz Biotechnology (Santa Cruz, Calif.). Mouse genomic DNA, Erase-a Base®system, pGL3 Basic and pSV-β-galactosidase vector were from Promega (Madison, Wis.). TOPO-TA® PCR2.1 vector was from Invitrogen (Carlsbad, Calif.).

[0061] Cell Culture. Cell culture of AtT-20 /D 16v-F2 cells was performed as described (C. J. Auernhammer et al. [1998b]; C. J. Auernhammer et al. [1998a]). Individual clones of AtT-20 cells, overexpressing SOCS-3 (AtT-20S), mock-transfected (AtT-20M), wild type STAT-3 (AtT-20W) or dominant negative STAT-3 mutants (AtT-20 F and AtT-20D), were isolated after stable transfection. (C. J. Auernhammer et al. [1998b]; C. Bousquet & S. Melmed, J. Biol. Chem. 274:10723-30 [1998]). From each group, three separate individual clones with high stable overexpression of the respective construct were selected with G418 (1 mg/mL) for the experiments.

[0062] Northern blot analysis. Northern blot analysis was performed as described (C. J. Auernhammer et al. [1998b]; C. J. Auernhammer et al [1998a]). To detect endogenous SOCS-3 mRNA in AtT-20S cells, without hybridization to exogenous SOCS-3 mRNA derived from stable overexpression of SOCS-3, a probe spanning exon 1 and the untranslated 5′ region of exon 2 as used. Otherwise, the previously described (C. J. Auernhammer et al. [1998b]; C. J. Auernhammer & S. Melmed, Endocrinology 140:1559 [1999]) murine SOCS-3 probe spanning most of the coding region of SOCS-3 was used.

[0063] 5′-Rapid Amplification of cDNA Ends (RACE) and RNase Protection Assay. 5′-RACE was performed with a pre-made, adaptor-ligated Marathon-Ready® double stranded cDNA derived from pooled BALB/c mouse liver (A. Chenchik et al., Biotechnol. 3: 526-34 [1996]) and Advantage®-GC cDNA polymerase using gene-specific primary and nested antisense primers 5′-CAGTAGAATCCGCTCTCCTGCAGCTTG-3′ (SEQ. ID. NO.: 15) and 5′-CTCGCTTTTGGAGCTGAAGGTCTTGAG-3′ (SEQ. ID. NO.: 16). Products were cloned into PCR2.1 vector, and multiple single clones sequenced.

[0064] RNase protection assay was performed with RPA-II® kit, following the manufacturer's recommendations. A fragment spanning nucleotides +158 to −275 was cloned into PCR2.1 vector; the plasmid was linearized with BamHI, and a ³²P-UTP labeled antisense probe was generated with T7 polymerase.

[0065] PCR-based characterization of the 5′-genomic region. The 5′-genomic region of SOCS-3 was cloned using a PCR-based technique (P. D. Siebert et al., Nucleic Acids Res. 23:1087-88 [1995]) with pre-made adaptor-ligated genomic DNA fragments, derived from ICR Swiss mice, as provided by the Genomewalk® kit. PCR and subsequent nested PCR were performed by automatic hot-start as touchdown-PCR using Advantage®-GC genomic Polymerase and gene specific antisense primers 5′-CAGTAGAATCCGCTCTCCTGCAGCTTG-3′ (SEQ. ID. NO.: 15) and 5′-CTCGCTTTTGGAGCTGAAGGTCTTGAG-3′ (SEQ. ID. NO.: 16). Further genomic walks in the 5′ direction were performed with gene specific antisense primers 5′-CTTCCTACCTAGTCCCGAAGCGAAATC-3′ (SEQ.ID.NO.: 17),5′-CAGATGTTGGCAGCCGTGAAGTCTAC-3′ (SEQ.ID.NO.: 18), 5′-GCGGGCGAGTGTAGAGTCAGAGTTAGAG-3′ (SEQ.ID.NO.: 19),and 5′-CGATTCCTGGAACTGCCCGGCCGGTCTTC-3′(SEQ.ID.NO.: 20), as well as 5′-CTCAGTGGGCTTTCTGACCTGCCCTCTTG-3′ (SEQ.ID.NO.: 21) and 5′-GACTACACAGAGTAGCTTGGGCTAGGAG-3′(SEQ.ID.NO.: 22). Products were cloned into PCR2.1, and single clones were sequenced.

[0066] Different Constructs of the 5′ Genomic Region of SOCS-3. 3′-Truncated forms of the full-length 3.7-kb construct in pGL3Basic vector (clone 6) were generated by PCR from genomic DNA and subsequent cloning as described above.

[0067] 5′-Truncated forms of clone 6 were generated using Erase-a-Base® kit, following the manufacturer's recommendations. Briefly, the 3.7-kb full-length construct of the 5′ genomic region of SOCS-3 in pGL3Basic vector was digested with SstI and NheI, followed by unidirectional digestion with exonuclease III (S. Henikoff, Gene 28:351-59 [1984]) and subsequent re-ligation.

[0068] Mutated forms of clone 6 were generated by overlap extension PCR (A. Aiyar et al., Methods Mol. Biol. 57:177-91 [1996]) with Pfu polymerase and 5% DMSO, by using external sense primer 5′-CATCGCGACGCCCCCGCCTCT-3′ (SEQ.ID.NO.: 23) and antisense primer 5′-GAAACCCGAGGGCCCCAGTCTG-3′ (SEQ.ID.NO.: 24) with exclusive restriction sites for NruI or ApaI, respectively. Internal mutagenizing primers caused deletions of nucleotides −80 to −60 and −101 to −62, respectively. Similarly, the STAT binding element region at −74 to −66 was mutated. Gel-purified PCR-products and the original template were digested with NruI and ApaI, fragments were purified, and the mutated fragments were re-ligated into the original 3.7-kb construct in pGL3Basic vector. Each construct was verified by sequencing.

[0069] Luciferase Assay. For transient transfection experiments, 2×10⁵ cells were plated in 6-well plates, incubated for 24 hours, and transfected using Lipofectamine-re and 0.5 μg of constructs in pGL3Basic vector, and 1.0 μg pSV-β-galactosidase. Transfected cells were first incubated for 24 hours in serum-free DMEM, followed by 6 hours of cytokine treatment and subsequent measurement of luciferase activity. In experiments comparing overexpressing dominant negative STAT-3 mutants or wild type SOCS-3, treatment with LIF was for 45 minutes.

[0070] In experiments using different promoter constructs, transfection efficiency was verified by measurement of β-galactosidase activity.

[0071] Electromobility Shift Assay. Nuclear extracts of AtT-20 cells and electromobility shift assay (EMSA) were performed as described (P. D. Siebert et al, Nucleic Acids Res. 23:1087-88 [1995]). Briefly, AtT-20 cells were grown to 80% confluence and were serum-deprived for 24 hours before treatment with 10⁻⁹ M LIF, followed by cell lysis and preparation of nuclear extracts. For the EMSA, 20-μg nuclear extracts were preincubated for 15 minutes at room temperature in 20 μL binding buffer (10 mM Tris-HCl, 50 mM NaCl, 1 mM EDTA, 1 mM DTT, 0.1% NP-40, 5% glycerol, 1 mg/mL BSA, pH 7.5) with 1 μg of poly(dI-dC). A ³²P-labeled double stranded oligonucleotide, corresponding to nucleotide sequence −77 to −57 of the SOCS-3 promoter (5′-⁷⁷CAGTTCCAGGAATCGGGGGGC⁻⁵⁷-3) (SEQ.ID.NO.: 25), was used as a probe (60,000 cpm, 5 fmol per reaction) and added to each sample and binding reaction, performed at room temperature for 20 min. In competition experiments, 100-fold molar excess of unlabeled double stranded competitor oligonucleotides were added to the preincubation reaction with the double stranded oligonucleotide corresponding to nucleotide sequence −77 to −57 of the SOCS-3 promoter, this same oligonucleotide mutated at positions −74, −71, −69, and −66 (underlined) (5′-⁷⁷CAGATCGACGATTCGGGGGGC⁻⁵⁷-3)(SEQ.ID.NO.: 26), or the AP-2 recognition site oligonucleotide 5′-GATCGAACTGACCGCCCGCCGCCCGT-3′ (SEQ.ID.NO.: 27). For supershift experiments 2 μg polyclonal STAT-1 p84/p91 or STAT-3 antibody was added to the preincubation reaction and incubated for an additional 60 min at 4° C. Protein-DNA complexes were run on a 6% non-denaturing polyacrylamide gel in 0.5× TBE buffer (90 mM Tris, 64.6 mM boric acid, 2.5 mM EDTA); gels were dried and autoradiographs were exposed (Kodak biomax MS film at −70° C.).

[0072] Statistical Analysis. Statistical analysis was performed by unpaired t-test. All values are mean ±SEM.

Example 2

[0073] 5′-Genomic Sequence of Murine SOCS-3 and Determination of the Transcription Start Site by 5′-RACE and RNase Protection Assay.

[0074] Based on the sequence information from the 5′ genome walk, a full length 5′ product of murine SOCS-3 spanning ˜3.8-kb of genomic sequence was generated from ICR Swiss mice genomic DNA by PCR with Advantage®-GC genomic polymerase using the following sense and antisense primers: 5′-GACGTTCCTAAAAGCATGCATGTCACCCAG-3′ (SEQ.ID.NO.: 28) and 5′-GGATCTGCGCGGCGGTGGCTGCAGCTGCTT-3′ (SEQ.ID.NO.: 29). Cloning of the product into PCR2.1 vector was followed by verification of sense orientation, sequencing, restriction enzyme digestion with SstI and XhoI, and subcloning of a ˜3.7-kb construct into pGL3Basic vector (clone 6). Sequence information was obtained for the whole 3.8 kb. (SEQ. ID. NO.: 1).

[0075] 5′-RACE revealed the existence of an untranslated exon 1 (+1 to +289; SEQ ID NO: 32), separated from exon 2 (starting at +854; partial exon 2, sequence +854 to +1033; SEQ ID NO: 34) by an intron (+290 to +853; SEQ ID NO: 33). Using Rnase protection assay, the main transcription start site was defined and is referred to as +1. The previously determined translation initiation site for murine SOCS-3 (GenBank Accession U88328) (R. Starr et al., Nature 387:917-21 [1997]) was in exon 2 at +944.

Example 3

[0076] Effects of Different Cytokines on SOCS-3 Promoter Activity and Gene Expression

[0077]FIG. 1 shows the stimulatory effect of various cytokines on expression from the SOCS-3 promoter sequence. AtT-20 cells were either untreated, or stimulated with 0.5×10⁻⁹ M LIF, IL-6, or IL-1I for 60 or 120 min. Northern blot analysis showed a SOCS-3-specific signal of uniform transcript size of ˜2.8 kb (FIG. 1A).

[0078] LIF was the most potent inducer of SOCS-3 mRNA expression. Although IL-6 and IL-11 were less potent stimuli of SOCS-3 gene expression, they each showed a similar pattern of SOCS-3 mRNA induction. (FIG. 1A).

[0079] For measurement of SOCS-3 promoter activity, transient transfections of AtT-20 cells were performed either with pGLBasic alone or with clone 6, a construct containing nucleotides −2,759 to +927 of the 5′-genomic region of murine SOCS-3 linked to the luciferase reporter gene in pGL3Basic vector. (FIG. 1B). Relative SOCS-3 promoter activity is indicated by relative light unit values in FIG. 1B, calculated from 4 independently performed experiments. Each experiment was performed with n=3 wells per group. Asterisks indicate in-group significance of untreated (−) vs. treated (+); *, P<0.05: * *, P<0.01. AtT-20 cells transfected with clone 6 showed a significantly higher basal luciferase activity than cells transfected with pGL3Basic alone (4043±443 vs. 1611±398 relative light units [RLU]; P<0.001). Stimulation with 0.5×10⁻⁹ M LIF, IL-6, or IL-11 caused no further increase of luciferase activity in control AtT-20 cells transfected with pGL3Basic alone. However, in comparison to untreated cells, AtT-20 cells transfected with clone 6 showed an approximately 10-fold (P<0.01) increase in luciferase activity following stimulation with LIF, a 2-fold (not significant) increase following stimulation with IL-6, and a 3-fold (P<0.05) stimulation of luciferase activity by IL-11. (FIG. 1B).

[0080] Activation by LIF, IL-6 and IL- 11, of SOCS-3 promoter activity and gene expression thus is concordant with our finding of a functionally important STAT-1STAT-3 binding element in the murine SOCS-3 promoter region.

Example 4

[0081] Effect of Overexpressed Dominant Negative STAT-3 Mutants or Wild Type SOCS-3 on LIF-induced SOCS-3 Gene Expression and Promoter Activity

[0082] Expression from the SOCS-3 promoter is partly dependent both on the expression of STAT-3 and SOCS-3 itself FIG. 2 shows the effect of overexpressed dominant negative STAT-3 mutant or wild type SOCS-3 on LIF-induced SOCS-3 gene expression and promoter activity in AtT-20 cells. AtT-20 cells overexpressing wild type STAT-3 (AtT-20W) showed a 5.4±0.7-fold increase of SOCS-3 mRNA levels after stimulation with 0.5×10⁻⁹ M LIF for 45 min. In comparison, AtT-20 cells overexpressing the dominant negative mutants STAT-3F (AtT-20F) and STAT-3D (AtT-20D) both showed relatively diminished induction of SOCS-3 mRNA after stimulation with LIF: 3.4±0.4 (p=0.07) and 2.6±0.1-fold (p<0.02), respectively. (FIGS. 2A, 2B). Similarly, transient transfection experiments with clone 6 showed stimulation of luciferase activity by LIF (6.9±0.5-fold) in AtT-20W cells, but only 5.4±0.5-(P=0.09) and 3.4±0.4-fold (P<0.01) stimulation were observed in AtT-20F and AtT-20D cells, respectively. (FIG. 2C). These results, showing that LIF-induced SOCS-3 promoter activity and gene expression is decreased in these dominant negative STAT-3 mutant transfectants, indicate that SOCS-3 promoter activity is at least partly dependent on wild type STAT-3 expression. (FIGS. 2A-C).

[0083] Overexpression of wild type SOCS-3 in AtT-20 cells abrogated LIF-induced SOCS-3 promoter activity and gene expression. (FIGS. 2D-F). Mock-transfected AtT-20 cells (AtT-20M) showed an approximately 5-fold increase of SOCS-3 mRNA levels after 45 min stimulation with 0.5×10⁻⁹ M LIF, while AtT-20 cells overexpressing wild type SOCS-3 (AtT-20S), showed a significant inhibition of LIF-induced SOCS-3 mRNA expression. (FIGS. 2D, 2E). Similarly, transient transfection experiments with clone 6 revealed luciferase activity to be stimulated by LIF (9.9±1.3-fold) in AtT-20M cells, while LIF-induced luciferase activity in AtT-20S cells was abrogated and did not differ substantially from luciferase activity in untreated AtT-20S cells. (FIG. 2F). These results indicate a negative autoregulatory feedback of SOCS-3 on its own cytokine-induced gene expression.

[0084] LIF-induced SOCS-3 mRNA and luciferase activity were each calculated from 3 independently performed experiments. Each experiment was performed with 3 different clones per group. LIF-induced luciferase activity was normalized to the untreated control for each clone.

Example 5

[0085] Functional Analysis of Different SOCS-3 5′ Region-Luciferase Constructs.

[0086] Clone 6 (SEQ.ID.NO.: 3) is the −2759 to +927 5′ genomic region of murine SOCS-3 linked to the luciferase reporter in pGL3Basic vector. 3′-Truncations of clone 6 were: clone 4 (nt. −2759 to +104; SEQ.ID.NO.: 2) and clone 2 (nt. −2759 to −716; SEQ.ID.NO.: 38). 5′-Truncations of clone 6 were: clone 6T1 (nt. −1864 to +927; SEQ.ID.NO.: 4); clone 6T2 (nt −857 to +927; SEQ.ID.NO.: 5); clone 6T3 (nt. −152to +927; SEQ.ID.NO.: 12); and clone 6T4 (nt. −63 to +927; SEQ.ID.NO.: 6). Analysis of clone 6 sequence with Mat Inspector V2.2 (K. Quandt et al., Nucleic Acids Res. 23: 4878-84 [1995]), revealed potential STAT binding sites containing the consensus binding sequence TT(N)₅AA (SEQ. ID. NO.: 31) (C. M. Horvath et al., Genes Dev. 9:984-94 [1995]; J. E. Darnell, Jr., Science 277:1630-35 [1997]; S. Becker et al, Nature 394: 145-51 [1998]) located at nt. −97 to −89 and nt. −74 to −66, as well as at nt. −347 to −339 and −1403 to −1395. However, only the STAT binding site from nt. −74 to −66 showed the more specific sequence TTCCAGGAA (SEQ.ID.NO.: 13), indicating a potential binding site for STAT-1 and STAT-3.

[0087] Therefore, in subsequent experiments, the focus centered on the STAT binding site at nt. −74 to −66, constituting part of the tandem STAT binding region pair of nt. −97 to −89 and nt. −74 to −66. Using overlap extension PCR, we deleted the complete tandem STAT binding region from nt. −101 to −62 (clone 6D2; SEQ.ID.NO.: 36), or only the 3′-located STAT binding element from nt. −80 to −60 (clone 6D1; SEQ.ID.NO.: 35). In clone 6M1 (SEQ.ID.NO.: 37), the 3′-located STAT binding element from nt. −74 to −66 was not deleted, but mutated to ATCGACGAT, thus destroying the specific binding sequence TTCCAGGAA (SEQ.ID.NO.: 13). Clone 8 (SEQ.ID.NO.: 39) was a minimal −275 to +158 5′ genomic region of SOCS-3 linked to the luciferase reporter in pGL3Basic vector. Basal and LIF-induced luciferase activity were assayed after transient transfection of corticotroph AtT-20 cells with the different constructs.

[0088]FIG. 3 shows relative luciferase activities in transfected AtT-20 cells bearing the different constructs. Relative luciferase activities were calculated in comparison to basal luciferase activity of pGL3Basic alone without LIF treatment, which was defined as 1.0. Basal luciferase activity of clone 2 (SEQ.ID.NO.: 38) did not differ from pGL3Basic, and neither clone 2 (SEQ.ID.NO.: 38) nor pGL3Basic showed induction of luciferase activity by LIF. However, clones 4 and 6 (SEQ.ID.NOS.: 2 and 3, respectively) showed 7- and 4- fold higher basal luciferase activity, respectively, as well as 35-fold higher LIF-stimulated luciferase activity, compared to the pGL3Basic (P<0.01). This indicates that the region from nt. +104 to +927 is not involved in SOCS-3 promoter activity.

[0089] Increasing 5′-truncations of clone 6 up to nt. −161 caused a gradual increase of basal and LIF-stimulated luciferase activity, with both clone 6T2 (P<0.01) and clone 6T3 (P<0.001) showing significantly higher basal and LIF-induced luciferase activities than clone 6. Clone 6T3 had the highest basal (17-fold elevation) and LIF-induced (97-fold elevation) luciferase activities, compared to basal pGL3Basic (p<0.001). This demonstrates that the region from nt. −2759 to −161 contains apparent negative regulator elements, but is not responsible for basal and LIF-induced SOCS-3 promoter activity.

[0090] Further 5′-truncation to nt. −63 in clone 6T4 (SEQ.ID.NO.: 6) caused decreases in basal activity and, more markedly, in LIF-inducible promoter activity. Mutated clones 6D1 (SEQ.ID.NO.: 35) (P<0.001) and 6M1 (SEQ.ID.NO.: 37) (P<0.01) showed reduced LIF-induced luciferase activity, compared to wild type clone 6 (SEQ.ID.NO.: 3). (FIG. 3). Extending the deletion to the entire tandem STAT binding region in clone 6D2 (SEQ.ID.NO.: 36), showed no significant difference in the magnitude of basal vs. LIF-induced luciferase activity in comparison to clone 6D1 (SEQ.ID.NO.: 35). These results indicate that the specific STAT-1/STAT-3 binding element at −74 to −66 (TTCCAGGAA; SEQ.ID.NO.: 13) mediates the LIF-induced rise in luciferase activity, while the more 5′-located STAT binding element at −97 to −89 (TTACAAGAA; SEQ.ID.NO.: 30) does not significantly participate in this signal.

[0091] Clone 8 (SEQ ID NO: 39) showed basal and LIF-induced luciferase activity comparable to clone 6 (SEQ ID NO: 3). (FIG. 3). This further demonstrates the functional importance for SOCS-3 promoter activity of the region containing the STAT-1/STAT-3 binding element.

Example 6

[0092] Electromobility Shift Assay

[0093] EMSA showed specific binding of nuclear extracts from LIF-induced AtT-20 cells to a double stranded oligonucleotide probe spanning nt. −77 to −57 (STAT oligoprobe), including the STAT-1/STAT-3 binding element from −74 to −66. While nuclear extracts from unstimulated AtT-20 cells did not form specific complexes with the oligoprobe, nuclear extracts from LIF-stimulated AtT-20 cells formed three specific complexes, compatible with STAT-3 homodimers, STAT-1/STAT-3 heterodimers and STAT-1 homodimers (C. M. Horvath et al., Genes Dev. 9:984-94 [1995]; J. E. Darnell, Jr., Science 277:1630-35 [1997]; S. Becker et al., Nature 394:145-51 [1998]). The three complexes disappeared during self-competition with a 100-fold excess of unlabeled double stranded STAT oligonucleotide, whereas the same double stranded oligonucleotide mutated at positions −74, −71, −69, and −66, or a nonspecific double stranded AP-2 oligonucleotide had no effect. Incubation with a specific antibody directed against STAT-1 abolished the two bands representing STAT-1 homodimer and STAT1/STAT3 heterodimer. Similarly, incubation with a specific antibody directed against STAT-3 abolished the two bands representing STAT-3 homodimer and STAT1/STAT3 heterodimer. These results are evidence of specific binding of STAT-1 and STAT-3 to the SOCS-3 promoter region between nt. −74 to −66.

[0094] The foregoing examples being illustrative but not an exhaustive description of the embodiments of the present invention, the following claims are presented.

1 39 1 3940 DNA Mus musculus promoter (-2907)...(1033) promoter (0)...(0) promoter (0)...(0) promoter (0)...(0) promoter (0)...(0) promoter (0)...(0) promoter (0)...(0) 1 gacgttccta aaagcatgca tgtcacccag cttacccacc catctcaggc cacagcagcc 60 tgagagagcg gaagaacacc tgctggtcct gtcccacctc tcctcttcaa acagccccac 120 atcctccagt tttgctctgg gtggagctcc ctgctggccc tgcagaggga aggctctcct 180 aagcatcatc tatcagaacg tcttcaaaaa aaaaaaaaaa aaaaaaaaag cctctccagc 240 caggctagct ctaacaccat ttcttcccct tcccctctct caaattcact tatctttttt 300 tttttttttt tttttggatt tttgagacag ggtttctctg tatagccctg gttgtcctgg 360 aactcacttt gtacaccagc ctggcctcga actcagagat ccacctgcct ctgcctcctg 420 agtgctggga ttaaaggcgt gcgccaccac gcccggctaa attcacttat ctatttaatg 480 tatatagggt ataggctgcc cttgaactca caaagatctg cttgctttgc ttctggaata 540 ctaaaggtgt gtgctaccat cacagggacc aagatttatt ttaattctgt atatgtgtgt 600 gtgtgtgtgt gtgtatgggg ggtgcacatg agtacagatt cccttggagg cctggggtgg 660 cttaggactg gggttacaac agttgtgacc catcctacat aggtcctggc accaacaccc 720 cccccccccc cccccgtctt ccagaagtgc agcaggtgtt cttaactgct gagccagcaa 780 tccagcccct gacttccctc tcttacttaa gaagctatca cagtgtctca ctgggtcaca 840 atcatgacta gtccttgctc atggcccaca gcctcttccc cactgtgggt tttgccccgc 900 agctctgccg ccccagcgct gcacccgagg cctgacagag ccaggcacga agtcagggtt 960 tgtggaatgg atgaatgaac ttgactcgtg gcagagcatt gtaatttaca aagcactttc 1020 ccatccatta actccagggc tatttcctaa gagtcctccc tgtcctccac tgccctcggc 1080 tcagaggcat acggtcaagg cagtggctgg ggaacactcc ctgaatgaga tcaaggaggg 1140 cttgttcaca gagaaaggga gaatccattt ggggagcctg agagtgactc gaaggcaagg 1200 actgggcctc acctgtggga tctccatctg tgagcatccg ctcatcagac cagtgtgaga 1260 tattttaaat aaggccccta agcctcttga ctactggaat tgccaggggc gggggacaga 1320 tgggcaccca tccctattta acagataaca agactgagtc cagagaggca gtgcacctgc 1380 cctggtctct cttagttcct cagcatcagt ggagcagatt ggacacagtg ggccagaagg 1440 gaagcaggca gccctccctc ctagcccaag ctactctgtg tagtcagttt gccctcctac 1500 tggtgttaca agaagcctgt ggtatccaag agggcaggtc agaaagccca ctgagagcag 1560 acactgtgtg tcacttagct ggttctcagg tggctgccac ttcctgctgc ctgttgcaaa 1620 actcgacact aggcctttat agatactcac gtgaccagga gtaaacaacc tttcacctca 1680 atcacctgct cttatcaata ctccctctcc accccaccat cgggaaagtt cagacacctt 1740 aaaacgtaga ggcaagagag ggtccattct gacacctcag cgactttcag gcagtggctg 1800 aacccgttac aacgctctgt ggacagtcct cctagtcgac attccttctc aggtttgacc 1860 ctgtcctggg aagtgaggct tctctctctg ggttccccac tcctgttctt gaataaggag 1920 ccccacaacc tcttattctc tctatacaga gcctgggaaa cagcaaaact cggctcgcct 1980 acaagactcc agcgcgccct ctggtggact cgggggacga gcatgggatg agggtttctt 2040 tcctctagct cccccaccgc gccgagagta cctgggcgga cccacagttc gccacgcagg 2100 ttgggaggcc cagatgagtg ataaggtagt agttagctgc tcctcccacc ccactcccca 2160 aaggacatca gcacccacgt ctgtcaccga agaaccaggc aatgggcgga tgagctgagg 2220 ccaggtagct gcttctaagt cagtgtctcc tccacttctg gatctcacag cttcatcttt 2280 tggacctgtc tacaggtaaa tgtcgcgcat ccccctcctc cacttcctag gtccccagtg 2340 ggctggtggc tgaatggtcc tacgtccctt ttggttggca cgggatgctt ggaactgtac 2400 atgaggacct cggggtggcc tgggtgcaga gggaggggag cgtccccgcg gggatcaaaa 2460 gaaagggaag gggtgccagg agggagcctc tcccggctgg cctcctagaa ctgcccgcgc 2520 gctcccatcg cgacgccccc gcctctgcca gaaaccagcc ttcttagaag ggaggggggg 2580 gaaagtgtga atgagaagtt gggggcggag cgcgcggggg aggggccgct gccaggaacg 2640 ctcggccaag gctggcgccg cgcccgccgg tcgggcagcc tcgcgccgcg ctttgtctcc 2700 ctctcggtga gtctcggcgg gtcctggagg ccccagctcc aagcccgccc tccgcagccc 2760 ctccctcgcc ctccgcgcac agcctttcag tgcagagtag tgactaaaca ttacaagaag 2820 accggccggg cagttccagg aatcgggggg cggggcgtac tggccgggta aatacccgcg 2880 cgcgcggcct ccgaggcggc tctaactctg actctacact cgcccgctcc tacgaccgct 2940 gtctctccgg gctcccggac gcccccttcc cggcccagct ctccgtcgag gtccctcgcc 3000 caggtccttt gcctgattcg cccaggagtg cgcctcatcg gcccggggag cagcgaagcc 3060 agagggggcg cacgcacggg gagccccttt gtagacttca cggctgccaa catctgggcg 3120 cagcgcgagc cactgctggg cgccgcctcg cctcggggac cataggaggc gcagccccaa 3180 ggccggagat ttcgcttcgg gactaggtag gaaggagggg cgcggtgtgg ggaagggtgg 3240 gggcatcggt ccagctcggg agcttttccc ggtttctcct ccccttcccg ggtcattccc 3300 ggtagggagg ggacgaggca gggggcagag cggatgagaa ccgaagatcc ctgattcccg 3360 tcatactcag actggggccc tcgggtttct cctgtcccct ctctcacata tctcgggttt 3420 ggcacccccc ttttttcgcc ctcgccactg aggacaccgg actgagaggc gccctgagcg 3480 tccctagggc tcttgtgtct ctccccatcc tggccgcgct cctggagacc caacttccac 3540 gcgcgagttt tctctgggcg tcctcctagg gcgggcaggg gaagagactg tctggggttg 3600 gccggcagtg accgaggaca gtcgagttcc gcgaggtggc tgggcctgag acacggtcta 3660 aagcggggca aaggggtgcc ccgggcgcta ggcggaggct ggagggccgg gcacgctgga 3720 gggttccggg cactcacgcg cctcacgctt tgctctctgc agctccccgg gatgcggtag 3780 cggccgctgt gcggaggccg cgaagcagct gcagccaccg ccgcgcagat ccacgctggc 3840 tccgtgcgcc atggtcaccc acagcaagtt tcccgccgcc gggatgagcc gccccctgga 3900 caccagcctg cgcctcaaga ccttcagctc caaaagcgag 3940 2 2863 DNA Mus musculus promoter (-2759)...(104) 2 ccctgctggc cctgcagagg gaaggctctc ctaagcatca tctatcagaa cgtcttcaaa 60 aaaaaaaaaa aaaaaaaaaa agcctctcca gccaggctag ctctaacacc atttcttccc 120 cttcccctct ctcaaattca cttatctttt tttttttttt tttttttgga tttttgagac 180 agggtttctc tgtatagccc tggttgtcct ggaactcact ttgtacacca gcctggcctc 240 gaactcagag atccacctgc ctctgcctcc tgagtgctgg gattaaaggc gtgcgccacc 300 acgcccggct aaattcactt atctatttaa tgtatatagg gtataggctg cccttgaact 360 cacaaagatc tgcttgcttt gcttctggaa tactaaaggt gtgtgctacc atcacaggga 420 ccaagattta ttttaattct gtatatgtgt gtgtgtgtgt gtgtgtatgg ggggtgcaca 480 tgagtacaga ttcccttgga ggcctggggt ggcttaggac tggggttaca acagttgtga 540 cccatcctac ataggtcctg gcaccaacac cccccccccc cccccccgtc ttccagaagt 600 gcagcaggtg ttcttaactg ctgagccagc aatccagccc ctgacttccc tctcttactt 660 aagaagctat cacagtgtct cactgggtca caatcatgac tagtccttgc tcatggccca 720 cagcctcttc cccactgtgg gttttgcccc gcagctctgc cgccccagcg ctgcacccga 780 ggcctgacag agccaggcac gaagtcaggg tttgtggaat ggatgaatga acttgactcg 840 tggcagagca ttgtaattta caaagcactt tcccatccat taactccagg gctatttcct 900 aagagtcctc cctgtcctcc actgccctcg gctcagaggc atacggtcaa ggcagtggct 960 ggggaacact ccctgaatga gatcaaggag ggcttgttca cagagaaagg gagaatccat 1020 ttggggagcc tgagagtgac tcgaaggcaa ggactgggcc tcacctgtgg gatctccatc 1080 tgtgagcatc cgctcatcag accagtgtga gatattttaa ataaggcccc taagcctctt 1140 gactactgga attgccaggg gcgggggaca gatgggcacc catccctatt taacagataa 1200 caagactgag tccagagagg cagtgcacct gccctggtct ctcttagttc ctcagcatca 1260 gtggagcaga ttggacacag tgggccagaa gggaagcagg cagccctccc tcctagccca 1320 agctactctg tgtagtcagt ttgccctcct actggtgtta caagaagcct gtggtatcca 1380 agagggcagg tcagaaagcc cactgagagc agacactgtg tgtcacttag ctggttctca 1440 ggtggctgcc acttcctgct gcctgttgca aaactcgaca ctaggccttt atagatactc 1500 acgtgaccag gagtaaacaa cctttcacct caatcacctg ctcttatcaa tactccctct 1560 ccaccccacc atcgggaaag ttcagacacc ttaaaacgta gaggcaagag agggtccatt 1620 ctgacacctc agcgactttc aggcagtggc tgaacccgtt acaacgctct gtggacagtc 1680 ctcctagtcg acattccttc tcaggtttga ccctgtcctg ggaagtgagg cttctctctc 1740 tgggttcccc actcctgttc ttgaataagg agccccacaa cctcttattc tctctataca 1800 gagcctggga aacagcaaaa ctcggctcgc ctacaagact ccagcgcgcc ctctggtgga 1860 ctcgggggac gagcatggga tgagggtttc tttcctctag ctcccccacc gcgccgagag 1920 tacctgggcg gacccacagt tcgccacgca ggttgggagg cccagatgag tgataaggta 1980 gtagttagct gctcctccca ccccactccc caaaggacat cagcacccac gtctgtcacc 2040 gaagaaccag gcaatgggcg gatgagctga ggccaggtag ctgcttctaa gtcagtgtct 2100 cctccacttc tggatctcac agcttcatct tttggacctg tctacaggta aatgtcgcgc 2160 atccccctcc tccacttcct aggtccccag tgggctggtg gctgaatggt cctacgtccc 2220 ttttggttgg cacgggatgc ttggaactgt acatgaggac ctcggggtgg cctgggtgca 2280 gagggagggg agcgtccccg cggggatcaa aagaaaggga aggggtgcca ggagggagcc 2340 tctcccggct ggcctcctag aactgcccgc gcgctcccat cgcgacgccc ccgcctctgc 2400 cagaaaccag ccttcttaga agggaggggg gggaaagtgt gaatgagaag ttgggggcgg 2460 agcgcgcggg ggaggggccg ctgccaggaa cgctcggcca aggctggcgc cgcgcccgcc 2520 ggtcgggcag cctcgcgccg cgctttgtct ccctctcggt gagtctcggc gggtcctgga 2580 ggccccagct ccaagcccgc cctccgcagc ccctccctcg ccctccgcgc acagcctttc 2640 agtgcagagt agtgactaaa cattacaaga agaccggccg ggcagttcca ggaatcgggg 2700 ggcggggcgt actggccggg taaatacccg cgcgcgcggc ctccgaggcg gctctaactc 2760 tgactctaca ctcgcccgct cctacgaccg ctgtctctcc gggctcccgg acgccccctt 2820 cccggcccag ctctccgtcg aggtccctcg cccaggtcct ttg 2863 3 3686 DNA Mus musculus promoter (-2759)...(927) 3 ccctgctggc cctgcagagg gaaggctctc ctaagcatca tctatcagaa cgtcttcaaa 60 aaaaaaaaaa aaaaaaaaaa agcctctcca gccaggctag ctctaacacc atttcttccc 120 cttcccctct ctcaaattca cttatctttt tttttttttt tttttttgga tttttgagac 180 agggtttctc tgtatagccc tggttgtcct ggaactcact ttgtacacca gcctggcctc 240 gaactcagag atccacctgc ctctgcctcc tgagtgctgg gattaaaggc gtgcgccacc 300 acgcccggct aaattcactt atctatttaa tgtatatagg gtataggctg cccttgaact 360 cacaaagatc tgcttgcttt gcttctggaa tactaaaggt gtgtgctacc atcacaggga 420 ccaagattta ttttaattct gtatatgtgt gtgtgtgtgt gtgtgtatgg ggggtgcaca 480 tgagtacaga ttcccttgga ggcctggggt ggcttaggac tggggttaca acagttgtga 540 cccatcctac ataggtcctg gcaccaacac cccccccccc cccccccgtc ttccagaagt 600 gcagcaggtg ttcttaactg ctgagccagc aatccagccc ctgacttccc tctcttactt 660 aagaagctat cacagtgtct cactgggtca caatcatgac tagtccttgc tcatggccca 720 cagcctcttc cccactgtgg gttttgcccc gcagctctgc cgccccagcg ctgcacccga 780 ggcctgacag agccaggcac gaagtcaggg tttgtggaat ggatgaatga acttgactcg 840 tggcagagca ttgtaattta caaagcactt tcccatccat taactccagg gctatttcct 900 aagagtcctc cctgtcctcc actgccctcg gctcagaggc atacggtcaa ggcagtggct 960 ggggaacact ccctgaatga gatcaaggag ggcttgttca cagagaaagg gagaatccat 1020 ttggggagcc tgagagtgac tcgaaggcaa ggactgggcc tcacctgtgg gatctccatc 1080 tgtgagcatc cgctcatcag accagtgtga gatattttaa ataaggcccc taagcctctt 1140 gactactgga attgccaggg gcgggggaca gatgggcacc catccctatt taacagataa 1200 caagactgag tccagagagg cagtgcacct gccctggtct ctcttagttc ctcagcatca 1260 gtggagcaga ttggacacag tgggccagaa gggaagcagg cagccctccc tcctagccca 1320 agctactctg tgtagtcagt ttgccctcct actggtgtta caagaagcct gtggtatcca 1380 agagggcagg tcagaaagcc cactgagagc agacactgtg tgtcacttag ctggttctca 1440 ggtggctgcc acttcctgct gcctgttgca aaactcgaca ctaggccttt atagatactc 1500 acgtgaccag gagtaaacaa cctttcacct caatcacctg ctcttatcaa tactccctct 1560 ccaccccacc atcgggaaag ttcagacacc ttaaaacgta gaggcaagag agggtccatt 1620 ctgacacctc agcgactttc aggcagtggc tgaacccgtt acaacgctct gtggacagtc 1680 ctcctagtcg acattccttc tcaggtttga ccctgtcctg ggaagtgagg cttctctctc 1740 tgggttcccc actcctgttc ttgaataagg agccccacaa cctcttattc tctctataca 1800 gagcctggga aacagcaaaa ctcggctcgc ctacaagact ccagcgcgcc ctctggtgga 1860 ctcgggggac gagcatggga tgagggtttc tttcctctag ctcccccacc gcgccgagag 1920 tacctgggcg gacccacagt tcgccacgca ggttgggagg cccagatgag tgataaggta 1980 gtagttagct gctcctccca ccccactccc caaaggacat cagcacccac gtctgtcacc 2040 gaagaaccag gcaatgggcg gatgagctga ggccaggtag ctgcttctaa gtcagtgtct 2100 cctccacttc tggatctcac agcttcatct tttggacctg tctacaggta aatgtcgcgc 2160 atccccctcc tccacttcct aggtccccag tgggctggtg gctgaatggt cctacgtccc 2220 ttttggttgg cacgggatgc ttggaactgt acatgaggac ctcggggtgg cctgggtgca 2280 gagggagggg agcgtccccg cggggatcaa aagaaaggga aggggtgcca ggagggagcc 2340 tctcccggct ggcctcctag aactgcccgc gcgctcccat cgcgacgccc ccgcctctgc 2400 cagaaaccag ccttcttaga agggaggggg gggaaagtgt gaatgagaag ttgggggcgg 2460 agcgcgcggg ggaggggccg ctgccaggaa cgctcggcca aggctggcgc cgcgcccgcc 2520 ggtcgggcag cctcgcgccg cgctttgtct ccctctcggt gagtctcggc gggtcctgga 2580 ggccccagct ccaagcccgc cctccgcagc ccctccctcg ccctccgcgc acagcctttc 2640 agtgcagagt agtgactaaa cattacaaga agaccggccg ggcagttcca ggaatcgggg 2700 ggcggggcgt actggccggg taaatacccg cgcgcgcggc ctccgaggcg gctctaactc 2760 tgactctaca ctcgcccgct cctacgaccg ctgtctctcc gggctcccgg acgccccctt 2820 cccggcccag ctctccgtcg aggtccctcg cccaggtcct ttgcctgatt cgcccaggag 2880 tgcgcctcat cggcccgggg agcagcgaag ccagaggggg cgcacgcacg gggagcccct 2940 ttgtagactt cacggctgcc aacatctggg cgcagcgcga gccactgctg ggcgccgcct 3000 cgcctcgggg accataggag gcgcagcccc aaggccggag atttcgcttc gggactaggt 3060 aggaaggagg ggcgcggtgt ggggaagggt gggggcatcg gtccagctcg ggagcttttc 3120 ccggtttctc ctccccttcc cgggtcattc ccggtaggga ggggacgagg cagggggcag 3180 agcggatgag aaccgaagat ccctgattcc cgtcatactc agactggggc cctcgggttt 3240 ctcctgtccc ctctctcaca tatctcgggt ttggcacccc ccttttttcg ccctcgccac 3300 tgaggacacc ggactgagag gcgccctgag cgtccctagg gctcttgtgt ctctccccat 3360 cctggccgcg ctcctggaga cccaacttcc acgcgcgagt tttctctggg cgtcctccta 3420 gggcgggcag gggaagagac tgtctggggt tggccggcag tgaccgagga cagtcgagtt 3480 ccgcgaggtg gctgggcctg agacacggtc taaagcgggg caaaggggtg ccccgggcgc 3540 taggcggagg ctggagggcc gggcacgctg gagggttccg ggcactcacg cgcctcacgc 3600 tttgctctct gcagctcccc gggatgcggt agcggccgct gtgcggaggc cgcgaagcag 3660 ctgcagccac cgccgcgcag atccac 3686 4 2791 DNA Mus musculus promoter (-1864)...(927) 4 ttcctaagag tcctccctgt cctccactgc cctcggctca gaggcatacg gtcaaggcag 60 tggctgggga acactccctg aatgagatca aggagggctt gttcacagag aaagggagaa 120 tccatttggg gagcctgaga gtgactcgaa ggcaaggact gggcctcacc tgtgggatct 180 ccatctgtga gcatccgctc atcagaccag tgtgagatat tttaaataag gcccctaagc 240 ctcttgacta ctggaattgc caggggcggg ggacagatgg gcacccatcc ctatttaaca 300 gataacaaga ctgagtccag agaggcagtg cacctgccct ggtctctctt agttcctcag 360 catcagtgga gcagattgga cacagtgggc cagaagggaa gcaggcagcc ctccctccta 420 gcccaagcta ctctgtgtag tcagtttgcc ctcctactgg tgttacaaga agcctgtggt 480 atccaagagg gcaggtcaga aagcccactg agagcagaca ctgtgtgtca cttagctggt 540 tctcaggtgg ctgccacttc ctgctgcctg ttgcaaaact cgacactagg cctttataga 600 tactcacgtg accaggagta aacaaccttt cacctcaatc acctgctctt atcaatactc 660 cctctccacc ccaccatcgg gaaagttcag acaccttaaa acgtagaggc aagagagggt 720 ccattctgac acctcagcga ctttcaggca gtggctgaac ccgttacaac gctctgtgga 780 cagtcctcct agtcgacatt ccttctcagg tttgaccctg tcctgggaag tgaggcttct 840 ctctctgggt tccccactcc tgttcttgaa taaggagccc cacaacctct tattctctct 900 atacagagcc tgggaaacag caaaactcgg ctcgcctaca agactccagc gcgccctctg 960 gtggactcgg gggacgagca tgggatgagg gtttctttcc tctagctccc ccaccgcgcc 1020 gagagtacct gggcggaccc acagttcgcc acgcaggttg ggaggcccag atgagtgata 1080 aggtagtagt tagctgctcc tcccacccca ctccccaaag gacatcagca cccacgtctg 1140 tcaccgaaga accaggcaat gggcggatga gctgaggcca ggtagctgct tctaagtcag 1200 tgtctcctcc acttctggat ctcacagctt catcttttgg acctgtctac aggtaaatgt 1260 cgcgcatccc cctcctccac ttcctaggtc cccagtgggc tggtggctga atggtcctac 1320 gtcccttttg gttggcacgg gatgcttgga actgtacatg aggacctcgg ggtggcctgg 1380 gtgcagaggg aggggagcgt ccccgcgggg atcaaaagaa agggaagggg tgccaggagg 1440 gagcctctcc cggctggcct cctagaactg cccgcgcgct cccatcgcga cgcccccgcc 1500 tctgccagaa accagccttc ttagaaggga ggggggggaa agtgtgaatg agaagttggg 1560 ggcggagcgc gcgggggagg ggccgctgcc aggaacgctc ggccaaggct ggcgccgcgc 1620 ccgccggtcg ggcagcctcg cgccgcgctt tgtctccctc tcggtgagtc tcggcgggtc 1680 ctggaggccc cagctccaag cccgccctcc gcagcccctc cctcgccctc cgcgcacagc 1740 ctttcagtgc agagtagtga ctaaacatta caagaagacc ggccgggcag ttccaggaat 1800 cggggggcgg ggcgtactgg ccgggtaaat acccgcgcgc gcggcctccg aggcggctct 1860 aactctgact ctacactcgc ccgctcctac gaccgctgtc tctccgggct cccggacgcc 1920 cccttcccgg cccagctctc cgtcgaggtc cctcgcccag gtcctttgcc tgattcgccc 1980 aggagtgcgc ctcatcggcc cggggagcag cgaagccaga gggggcgcac gcacggggag 2040 cccctttgta gacttcacgg ctgccaacat ctgggcgcag cgcgagccac tgctgggcgc 2100 cgcctcgcct cggggaccat aggaggcgca gccccaaggc cggagatttc gcttcgggac 2160 taggtaggaa ggaggggcgc ggtgtgggga agggtggggg catcggtcca gctcgggagc 2220 ttttcccggt ttctcctccc cttcccgggt cattcccggt agggagggga cgaggcaggg 2280 ggcagagcgg atgagaaccg aagatccctg attcccgtca tactcagact ggggccctcg 2340 ggtttctcct gtcccctctc tcacatatct cgggtttggc accccccttt tttcgccctc 2400 gccactgagg acaccggact gagaggcgcc ctgagcgtcc ctagggctct tgtgtctctc 2460 cccatcctgg ccgcgctcct ggagacccaa cttccacgcg cgagttttct ctgggcgtcc 2520 tcctagggcg ggcaggggaa gagactgtct ggggttggcc ggcagtgacc gaggacagtc 2580 gagttccgcg aggtggctgg gcctgagaca cggtctaaag cggggcaaag gggtgccccg 2640 ggcgctaggc ggaggctgga gggccgggca cgctggaggg ttccgggcac tcacgcgcct 2700 cacgctttgc tctctgcagc tccccgggat gcggtagcgg ccgctgtgcg gaggccgcga 2760 agcagctgca gccaccgccg cgcagatcca c 2791 5 1803 DNA Mus musculus promoter (-857)...(927) 5 gggtttcttt cctctagctc ccccaccgcg ccgagagtac ctgggcggac ccacagttcg 60 ccacgcaggt tgggaggccc agatgagtga taaggtagta gttagctgct cctcccaccc 120 cactccccaa aggacatcag cacccacgtc tgtcaccgaa gaaccaggca atgggcggat 180 gagctgaggc caggtagctg cttctaagtc agtgtctcct ccacttctgg atctcacagc 240 ttcatctttt ggacctgtct acaggtaaat gtcgcgcatc cccctcctcc acttcctagg 300 tccccagtgg gctggtggct gaatggtcct acgtcccttt tggttggcac gggatgcttg 360 gaactgtaca tgaggacctc ggggtggcct gggtgcagag ggaggggagc gtccccgcgg 420 ggatcaaaag aaagggaagg ggtgccagga gggagcctct cccggctggc ctcctagaac 480 tgcccgcgcg ctcccatcgc gacgcccccg cctctgccag aaaccagcct tcttagaagg 540 gagggggggg aaagtgtgaa tgagaagttg ggggcggagc gcgcggggga ggggccgctg 600 ccaggaacgc tcggccaagg ctggcgccgc gcccgccggt cgggcagcct cgcgccgcgc 660 tttgtctccc tctcggtgag tctcggcggg tcctggaggc cccagctcca agcccgccct 720 ccgcagcccc tccctcgccc tccgcgcaca gcctttcagt gcagagtagt gactaaacat 780 tacaagaaga ccggccgggc agttccagga atcggggggc ggggcgtact ggccgggtaa 840 atacccgcgc gcgcggcctc cgaggcggct ctaactctga ctctacactc gcccgctcct 900 acgaccgctg tctctccggg ctcccggacg cccccttccc ggcccagctc tccgtcgagg 960 tccctcgccc aggtcctttg cctgattcgc ccaggagtgc gcctcatcgg cccggggagc 1020 agcgaagcca gagggggcgc acgcacgggg agcccctttg tagacttcac ggctgccaac 1080 atctgggcgc agcgcgagcc actgctgggc gccgcctcgc ctcggggacc ataggaggcg 1140 cagccccaag gccggagatt tcgcttcggg actaggtagg aaggaggggc gcggtgtggg 1200 gaagggtggg ggcatcggtc cagctcggga gcttttcccg gtttctcctc cccttcccgg 1260 gtcattcccg gtagggaggg gacgaggcag ggggcagagc ggatgagaac cgaagatccc 1320 tgattcccgt catactcaga ctggggccct cgggtttctc ctgtcccctc tctcacatat 1380 ctcgggtttg gcacccccct tttttcgccc tcgccactga ggacaccgga ctgagaggcg 1440 ccctgagcgt ccctagggct cttgtgtctc tccccatcct ggccgcgctc ctggagaccc 1500 aacttccacg cgcgagtttt ctctgggcgt cctcctaggg cgggcagggg aagagactgt 1560 ctggggttgg ccggcagtga ccgaggacag tcgagttccg cgaggtggct gggcctgaga 1620 cacggtctaa agcggggcaa aggggtgccc cgggcgctag gcggaggctg gagggccggg 1680 cacgctggag ggttccgggc actcacgcgc ctcacgcttt gctctctgca gctccccggg 1740 atgcggtagc ggccgctgtg cggaggccgc gaagcagctg cagccaccgc cgcgcagatc 1800 cac 1803 6 990 DNA Mus musculus promoter (-63)...(927) 6 ggggggcggg gcgtactggc cgggtaaata cccgcgcgcg cggcctccga ggcggctcta 60 actctgactc tacactcgcc cgctcctacg accgctgtct ctccgggctc ccggacgccc 120 ccttcccggc ccagctctcc gtcgaggtcc ctcgcccagg tcctttgcct gattcgccca 180 ggagtgcgcc tcatcggccc ggggagcagc gaagccagag ggggcgcacg cacggggagc 240 ccctttgtag acttcacggc tgccaacatc tgggcgcagc gcgagccact gctgggcgcc 300 gcctcgcctc ggggaccata ggaggcgcag ccccaaggcc ggagatttcg cttcgggact 360 aggtaggaag gaggggcgcg gtgtggggaa gggtgggggc atcggtccag ctcgggagct 420 tttcccggtt tctcctcccc ttcccgggtc attcccggta gggaggggac gaggcagggg 480 gcagagcgga tgagaaccga agatccctga ttcccgtcat actcagactg gggccctcgg 540 gtttctcctg tcccctctct cacatatctc gggtttggca cccccctttt ttcgccctcg 600 ccactgagga caccggactg agaggcgccc tgagcgtccc tagggctctt gtgtctctcc 660 ccatcctggc cgcgctcctg gagacccaac ttccacgcgc gagttttctc tgggcgtcct 720 cctagggcgg gcaggggaag agactgtctg gggttggccg gcagtgaccg aggacagtcg 780 agttccgcga ggtggctggg cctgagacac ggtctaaagc ggggcaaagg ggtgccccgg 840 gcgctaggcg gaggctggag ggccgggcac gctggagggt tccgggcact cacgcgcctc 900 acgctttgct ctctgcagct ccccgggatg cggtagcggc cgctgtgcgg aggccgcgaa 960 gcagctgcag ccaccgccgc gcagatccac 990 7 1024 DNA Mus musculus promoter (-97)...(927) 7 ttacaagaag accggccggg cagttccagg aatcgggggg cggggcgtac tggccgggta 60 aatacccgcg cgcgcggcct ccgaggcggc tctaactctg actctacact cgcccgctcc 120 tacgaccgct gtctctccgg gctcccggac gcccccttcc cggcccagct ctccgtcgag 180 gtccctcgcc caggtccttt gcctgattcg cccaggagtg cgcctcatcg gcccggggag 240 cagcgaagcc agagggggcg cacgcacggg gagccccttt gtagacttca cggctgccaa 300 catctgggcg cagcgcgagc cactgctggg cgccgcctcg cctcggggac cataggaggc 360 gcagccccaa ggccggagat ttcgcttcgg gactaggtag gaaggagggg cgcggtgtgg 420 ggaagggtgg gggcatcggt ccagctcggg agcttttccc ggtttctcct ccccttcccg 480 ggtcattccc ggtagggagg ggacgaggca gggggcagag cggatgagaa ccgaagatcc 540 ctgattcccg tcatactcag actggggccc tcgggtttct cctgtcccct ctctcacata 600 tctcgggttt ggcacccccc ttttttcgcc ctcgccactg aggacaccgg actgagaggc 660 gccctgagcg tccctagggc tcttgtgtct ctccccatcc tggccgcgct cctggagacc 720 caacttccac gcgcgagttt tctctgggcg tcctcctagg gcgggcaggg gaagagactg 780 tctggggttg gccggcagtg accgaggaca gtcgagttcc gcgaggtggc tgggcctgag 840 acacggtcta aagcggggca aaggggtgcc ccgggcgcta ggcggaggct ggagggccgg 900 gcacgctgga gggttccggg cactcacgcg cctcacgctt tgctctctgc agctccccgg 960 gatgcggtag cggccgctgt gcggaggccg cgaagcagct gcagccaccg ccgcgcagat 1020 ccac 1024 8 201 DNA Mus musculus promoter (-97)...(104) 8 ttacaagaag accggccggg cagttccagg aatcgggggg cggggcgtac tggccgggta 60 aatacccgcg cgcgcggcct ccgaggcggc tctaactctg actctacact cgcccgctcc 120 tacgaccgct gtctctccgg gctcccggac gcccccttcc cggcccagct ctccgtcgag 180 gtccctcgcc caggtccttt g 201 9 1014 DNA Mus musculus promoter (-87)...(927) 9 accggccggg cagttccagg aatcgggggg cggggcgtac tggccgggta aatacccgcg 60 cgcgcggcct ccgaggcggc tctaactctg actctacact cgcccgctcc tacgaccgct 120 gtctctccgg gctcccggac gcccccttcc cggcccagct ctccgtcgag gtccctcgcc 180 caggtccttt gcctgattcg cccaggagtg cgcctcatcg gcccggggag cagcgaagcc 240 agagggggcg cacgcacggg gagccccttt gtagacttca cggctgccaa catctgggcg 300 cagcgcgagc cactgctggg cgccgcctcg cctcggggac cataggaggc gcagccccaa 360 ggccggagat ttcgcttcgg gactaggtag gaaggagggg cgcggtgtgg ggaagggtgg 420 gggcatcggt ccagctcggg agcttttccc ggtttctcct ccccttcccg ggtcattccc 480 ggtagggagg ggacgaggca gggggcagag cggatgagaa ccgaagatcc ctgattcccg 540 tcatactcag actggggccc tcgggtttct cctgtcccct ctctcacata tctcgggttt 600 ggcacccccc ttttttcgcc ctcgccactg aggacaccgg actgagaggc gccctgagcg 660 tccctagggc tcttgtgtct ctccccatcc tggccgcgct cctggagacc caacttccac 720 gcgcgagttt tctctgggcg tcctcctagg gcgggcaggg gaagagactg tctggggttg 780 gccggcagtg accgaggaca gtcgagttcc gcgaggtggc tgggcctgag acacggtcta 840 aagcggggca aaggggtgcc ccgggcgcta ggcggaggct ggagggccgg gcacgctgga 900 gggttccggg cactcacgcg cctcacgctt tgctctctgc agctccccgg gatgcggtag 960 cggccgctgt gcggaggccg cgaagcagct gcagccaccg ccgcgcagat ccac 1014 10 191 DNA Mus musculus promoter (-87)...(104) 10 accggccggg cagttccagg aatcgggggg cggggcgtac tggccgggta aatacccgcg 60 cgcgcggcct ccgaggcggc tctaactctg actctacact cgcccgctcc tacgaccgct 120 gtctctccgg gctcccggac gcccccttcc cggcccagct ctccgtcgag gtccctcgcc 180 caggtccttt g 191 11 433 DNA Mus musculus promoter (-275)...(158) 11 caggaacgct cggccaaggc tggcgccgcg cccgccggtc gggcagcctc gcgccgcgct 60 ttgtctccct ctcggtgagt ctcggcgggt cctggaggcc ccagctccaa gcccgccctc 120 cgcagcccct ccctcgccct ccgcgcacag cctttcagtg cagagtagtg actaaacatt 180 acaagaagac cggccgggca gttccaggaa tcggggggcg gggcgtactg gccgggtaaa 240 tacccgcgcg cgcggcctcc gaggcggctc taactctgac tctacactcg cccgctccta 300 cgaccgctgt ctctccgggc tcccggacgc ccccttcccg gcccagctct ccgtcgaggt 360 ccctcgccca ggtcctttgc ctgattcgcc caggagtgcg cctcatcggc ccggggagca 420 gcgaagccag agg 433 12 1088 DNA Mus musculus promoter (-161)...(927) 12 gccctccgca gcccctccct cgccctccgc gcacagcctt tcagtgcaga gtagtgacta 60 aacattacaa gaagaccggc cgggcagttc caggaatcgg ggggcggggc gtactggccg 120 ggtaaatacc cgcgcgcgcg gcctccgagg cggctctaac tctgactcta cactcgcccg 180 ctcctacgac cgctgtctct ccgggctccc ggacgccccc ttcccggccc agctctccgt 240 cgaggtccct cgcccaggtc ctttgcctga ttcgcccagg agtgcgcctc atcggcccgg 300 ggagcagcga agccagaggg ggcgcacgca cggggagccc ctttgtagac ttcacggctg 360 ccaacatctg ggcgcagcgc gagccactgc tgggcgccgc ctcgcctcgg ggaccatagg 420 aggcgcagcc ccaaggccgg agatttcgct tcgggactag gtaggaagga ggggcgcggt 480 gtggggaagg gtgggggcat cggtccagct cgggagcttt tcccggtttc tcctcccctt 540 cccgggtcat tcccggtagg gaggggacga ggcagggggc agagcggatg agaaccgaag 600 atccctgatt cccgtcatac tcagactggg gccctcgggt ttctcctgtc ccctctctca 660 catatctcgg gtttggcacc cccctttttt cgccctcgcc actgaggaca ccggactgag 720 aggcgccctg agcgtcccta gggctcttgt gtctctcccc atcctggccg cgctcctgga 780 gacccaactt ccacgcgcga gttttctctg ggcgtcctcc tagggcgggc aggggaagag 840 actgtctggg gttggccggc agtgaccgag gacagtcgag ttccgcgagg tggctgggcc 900 tgagacacgg tctaaagcgg ggcaaagggg tgccccgggc gctaggcgga ggctggaggg 960 ccgggcacgc tggagggttc cgggcactca cgcgcctcac gctttgctct ctgcagctcc 1020 ccgggatgcg gtagcggccg ctgtgcggag gccgcgaagc agctgcagcc accgccgcgc 1080 agatccac 1088 13 9 DNA Mus musculus promoter (-74)...(-66) STAT-BINDING SITE AT -74 TO -66 13 ttccaggaa 9 14 9 DNA Mus musculus mutation (-74)...(-66) 14 atcgacgat 9 15 27 DNA Artificial Sequence PRIMER 15 cagtagaatc cgctctcctg cagcttg 27 16 27 DNA Artificial Sequence PRIMER 16 ctcgcttttg gagctgaagg tcttgag 27 17 27 DNA Artificial Sequence PRIMER 17 cttcctacct agtcccgaag cgaaatc 27 18 26 DNA Artificial Sequence PRIMER 18 cagatgttgg cagccgtgaa gtctac 26 19 28 DNA Artificial Sequence PRIMER 19 gcgggcgagt gtagagtcag agttagag 28 20 29 DNA Artificial Sequence PRIMER 20 cgattcctgg aactgcccgg ccggtcttc 29 21 29 DNA Artificial Sequence PRIMER 21 ctcagtgggc tttctgacct gccctcttg 29 22 28 DNA Artificial Sequence PRIMER 22 gactacacag agtagcttgg gctaggag 28 23 21 DNA Artificial Sequence SENSE PRIMER 23 catcgcgacg cccccgcctc t 21 24 22 DNA Artificial Sequence PRIMER 24 gaaacccgag ggccccagtc tg 22 25 21 DNA Mus musculus promoter (-77)...(-57) 25 cagttccagg aatcgggggg c 21 26 21 DNA Mus musculus promoter (0)...(0) MUTATIONS AT POSITIONS -74, -71, -69, & -66 26 cagatcgacg attcgggggg c 21 27 26 DNA Artificial Sequence OLIGONUCLEOTIDES 27 gatcgaactg accgcccgcc gcccgt 26 28 30 DNA Artificial Sequence PRIMERS 28 gacgttccta aaagcatgca tgtcacccag 30 29 30 DNA Artificial Sequence PRIMERS 29 ggatctgcgc ggcggtggct gcagctgctt 30 30 9 DNA Mus musculus promoter (-97)...(-89) STAT-BINDING SITE AT -97 TO -89 30 ttacaagaa 9 31 9 DNA Artificial Sequence n=A, T, C, or G; consensus stat-binding element 31 ttnnnnnaa 9 32 289 DNA Mus musculus exon (1)...(289) Exon 1 of SOCS-3 (untranslated) 32 ctgactctac actcgcccgc tcctacgacc gctgtctctc cgggctcccg gacgccccct 60 tcccggccca gctctccgtc gaggtccctc gcccaggtcc tttgcctgat tcgcccagga 120 gtgcgcctca tcggcccggg gagcagcgaa gccagagggg gcgcacgcac ggggagcccc 180 tttgtagact tcacggctgc caacatctgg gcgcagcgcg agccactgct gggcgccgcc 240 tcgcctcggg gaccatagga ggcgcagccc caaggccgga gatttcgct 289 33 564 DNA Mus musculus intron (290)...(853) Intron 1 of SOCS-3 33 tcgggactag gtaggaagga ggggcgcggt gtggggaagg gtgggggcat cggtccagct 60 cgggagcttt tcccggtttc tcctcccctt cccgggtcat tcccggtagg gaggggacga 120 ggcagggggc agagcggatg agaaccgaag atccctgatt cccgtcatac tcagactggg 180 gccctcgggt ttctcctgtc ccctctctca catatctcgg gtttggcacc cccctttttt 240 cgccctcgcc actgaggaca ccggactgag aggcgccctg agcgtcccta gggctcttgt 300 gtctctcccc atcctggccg cgctcctgga gacccaactt ccacgcgcga gttttctctg 360 ggcgtcctcc tagggcgggc aggggaagag actgtctggg gttggccggc agtgaccgag 420 gacagtcgag ttccgcgagg tggctgggcc tgagacacgg tctaaagcgg ggcaaagggg 480 tgccccgggc gctaggcgga ggctggaggg ccgggcacgc tggagggttc cgggcactca 540 cgcgcctcac gctttgctct ctgc 564 34 180 DNA Mus musculus exon (854)...(1033) Partial exon 2 of SOCS-3 34 agctccccgg gatgcggtag cggccgctgt gcggaggccg cgaagcagct gcagccaccg 60 ccgcgcagat ccacgctggc tccgtgcgcc atggtcaccc acagcaagtt tcccgccgcc 120 gggatgagcc gccccctgga caccagcctg cgcctcaaga ccttcagctc caaaagcgag 180 35 3665 DNA Mus musculus mutation (0)...(0) promoter sequence -2759 to +927 with nucleotides -80 to -60 deleted 35 ccctgctggc cctgcagagg gaaggctctc ctaagcatca tctatcagaa cgtcttcaaa 60 aaaaaaaaaa aaaaaaaaaa agcctctcca gccaggctag ctctaacacc atttcttccc 120 cttcccctct ctcaaattca cttatctttt tttttttttt tttttttgga tttttgagac 180 agggtttctc tgtatagccc tggttgtcct ggaactcact ttgtacacca gcctggcctc 240 gaactcagag atccacctgc ctctgcctcc tgagtgctgg gattaaaggc gtgcgccacc 300 acgcccggct aaattcactt atctatttaa tgtatatagg gtataggctg cccttgaact 360 cacaaagatc tgcttgcttt gcttctggaa tactaaaggt gtgtgctacc atcacaggga 420 ccaagattta ttttaattct gtatatgtgt gtgtgtgtgt gtgtgtatgg ggggtgcaca 480 tgagtacaga ttcccttgga ggcctggggt ggcttaggac tggggttaca acagttgtga 540 cccatcctac ataggtcctg gcaccaacac cccccccccc cccccccgtc ttccagaagt 600 gcagcaggtg ttcttaactg ctgagccagc aatccagccc ctgacttccc tctcttactt 660 aagaagctat cacagtgtct cactgggtca caatcatgac tagtccttgc tcatggccca 720 cagcctcttc cccactgtgg gttttgcccc gcagctctgc cgccccagcg ctgcacccga 780 ggcctgacag agccaggcac gaagtcaggg tttgtggaat ggatgaatga acttgactcg 840 tggcagagca ttgtaattta caaagcactt tcccatccat taactccagg gctatttcct 900 aagagtcctc cctgtcctcc actgccctcg gctcagaggc atacggtcaa ggcagtggct 960 ggggaacact ccctgaatga gatcaaggag ggcttgttca cagagaaagg gagaatccat 1020 ttggggagcc tgagagtgac tcgaaggcaa ggactgggcc tcacctgtgg gatctccatc 1080 tgtgagcatc cgctcatcag accagtgtga gatattttaa ataaggcccc taagcctctt 1140 gactactgga attgccaggg gcgggggaca gatgggcacc catccctatt taacagataa 1200 caagactgag tccagagagg cagtgcacct gccctggtct ctcttagttc ctcagcatca 1260 gtggagcaga ttggacacag tgggccagaa gggaagcagg cagccctccc tcctagccca 1320 agctactctg tgtagtcagt ttgccctcct actggtgtta caagaagcct gtggtatcca 1380 agagggcagg tcagaaagcc cactgagagc agacactgtg tgtcacttag ctggttctca 1440 ggtggctgcc acttcctgct gcctgttgca aaactcgaca ctaggccttt atagatactc 1500 acgtgaccag gagtaaacaa cctttcacct caatcacctg ctcttatcaa tactccctct 1560 ccaccccacc atcgggaaag ttcagacacc ttaaaacgta gaggcaagag agggtccatt 1620 ctgacacctc agcgactttc aggcagtggc tgaacccgtt acaacgctct gtggacagtc 1680 ctcctagtcg acattccttc tcaggtttga ccctgtcctg ggaagtgagg cttctctctc 1740 tgggttcccc actcctgttc ttgaataagg agccccacaa cctcttattc tctctataca 1800 gagcctggga aacagcaaaa ctcggctcgc ctacaagact ccagcgcgcc ctctggtgga 1860 ctcgggggac gagcatggga tgagggtttc tttcctctag ctcccccacc gcgccgagag 1920 tacctgggcg gacccacagt tcgccacgca ggttgggagg cccagatgag tgataaggta 1980 gtagttagct gctcctccca ccccactccc caaaggacat cagcacccac gtctgtcacc 2040 gaagaaccag gcaatgggcg gatgagctga ggccaggtag ctgcttctaa gtcagtgtct 2100 cctccacttc tggatctcac agcttcatct tttggacctg tctacaggta aatgtcgcgc 2160 atccccctcc tccacttcct aggtccccag tgggctggtg gctgaatggt cctacgtccc 2220 ttttggttgg cacgggatgc ttggaactgt acatgaggac ctcggggtgg cctgggtgca 2280 gagggagggg agcgtccccg cggggatcaa aagaaaggga aggggtgcca ggagggagcc 2340 tctcccggct ggcctcctag aactgcccgc gcgctcccat cgcgacgccc ccgcctctgc 2400 cagaaaccag ccttcttaga agggaggggg gggaaagtgt gaatgagaag ttgggggcgg 2460 agcgcgcggg ggaggggccg ctgccaggaa cgctcggcca aggctggcgc cgcgcccgcc 2520 ggtcgggcag cctcgcgccg cgctttgtct ccctctcggt gagtctcggc gggtcctgga 2580 ggccccagct ccaagcccgc cctccgcagc ccctccctcg ccctccgcgc acagcctttc 2640 agtgcagagt agtgactaaa cattacaaga agaccggccg gcggggcgta ctggccgggt 2700 aaatacccgc gcgcgcggcc tccgaggcgg ctctaactct gactctacac tcgcccgctc 2760 ctacgaccgc tgtctctccg ggctcccgga cgcccccttc ccggcccagc tctccgtcga 2820 ggtccctcgc ccaggtcctt tgcctgattc gcccaggagt gcgcctcatc ggcccgggga 2880 gcagcgaagc cagagggggc gcacgcacgg ggagcccctt tgtagacttc acggctgcca 2940 acatctgggc gcagcgcgag ccactgctgg gcgccgcctc gcctcgggga ccataggagg 3000 cgcagcccca aggccggaga tttcgcttcg ggactaggta ggaaggaggg gcgcggtgtg 3060 gggaagggtg ggggcatcgg tccagctcgg gagcttttcc cggtttctcc tccccttccc 3120 gggtcattcc cggtagggag gggacgaggc agggggcaga gcggatgaga accgaagatc 3180 cctgattccc gtcatactca gactggggcc ctcgggtttc tcctgtcccc tctctcacat 3240 atctcgggtt tggcaccccc cttttttcgc cctcgccact gaggacaccg gactgagagg 3300 cgccctgagc gtccctaggg ctcttgtgtc tctccccatc ctggccgcgc tcctggagac 3360 ccaacttcca cgcgcgagtt ttctctgggc gtcctcctag ggcgggcagg ggaagagact 3420 gtctggggtt ggccggcagt gaccgaggac agtcgagttc cgcgaggtgg ctgggcctga 3480 gacacggtct aaagcggggc aaaggggtgc cccgggcgct aggcggaggc tggagggccg 3540 ggcacgctgg agggttccgg gcactcacgc gcctcacgct ttgctctctg cagctccccg 3600 ggatgcggta gcggccgctg tgcggaggcc gcgaagcagc tgcagccacc gccgcgcaga 3660 tccac 3665 36 3646 DNA Mus musculus mutation (0)...(0) promoter sequence -2759 to +927 with nucleotides -101 to -62 deleted 36 ccctgctggc cctgcagagg gaaggctctc ctaagcatca tctatcagaa cgtcttcaaa 60 aaaaaaaaaa aaaaaaaaaa agcctctcca gccaggctag ctctaacacc atttcttccc 120 cttcccctct ctcaaattca cttatctttt tttttttttt tttttttgga tttttgagac 180 agggtttctc tgtatagccc tggttgtcct ggaactcact ttgtacacca gcctggcctc 240 gaactcagag atccacctgc ctctgcctcc tgagtgctgg gattaaaggc gtgcgccacc 300 acgcccggct aaattcactt atctatttaa tgtatatagg gtataggctg cccttgaact 360 cacaaagatc tgcttgcttt gcttctggaa tactaaaggt gtgtgctacc atcacaggga 420 ccaagattta ttttaattct gtatatgtgt gtgtgtgtgt gtgtgtatgg ggggtgcaca 480 tgagtacaga ttcccttgga ggcctggggt ggcttaggac tggggttaca acagttgtga 540 cccatcctac ataggtcctg gcaccaacac cccccccccc cccccccgtc ttccagaagt 600 gcagcaggtg ttcttaactg ctgagccagc aatccagccc ctgacttccc tctcttactt 660 aagaagctat cacagtgtct cactgggtca caatcatgac tagtccttgc tcatggccca 720 cagcctcttc cccactgtgg gttttgcccc gcagctctgc cgccccagcg ctgcacccga 780 ggcctgacag agccaggcac gaagtcaggg tttgtggaat ggatgaatga acttgactcg 840 tggcagagca ttgtaattta caaagcactt tcccatccat taactccagg gctatttcct 900 aagagtcctc cctgtcctcc actgccctcg gctcagaggc atacggtcaa ggcagtggct 960 ggggaacact ccctgaatga gatcaaggag ggcttgttca cagagaaagg gagaatccat 1020 ttggggagcc tgagagtgac tcgaaggcaa ggactgggcc tcacctgtgg gatctccatc 1080 tgtgagcatc cgctcatcag accagtgtga gatattttaa ataaggcccc taagcctctt 1140 gactactgga attgccaggg gcgggggaca gatgggcacc catccctatt taacagataa 1200 caagactgag tccagagagg cagtgcacct gccctggtct ctcttagttc ctcagcatca 1260 gtggagcaga ttggacacag tgggccagaa gggaagcagg cagccctccc tcctagccca 1320 agctactctg tgtagtcagt ttgccctcct actggtgtta caagaagcct gtggtatcca 1380 agagggcagg tcagaaagcc cactgagagc agacactgtg tgtcacttag ctggttctca 1440 ggtggctgcc acttcctgct gcctgttgca aaactcgaca ctaggccttt atagatactc 1500 acgtgaccag gagtaaacaa cctttcacct caatcacctg ctcttatcaa tactccctct 1560 ccaccccacc atcgggaaag ttcagacacc ttaaaacgta gaggcaagag agggtccatt 1620 ctgacacctc agcgactttc aggcagtggc tgaacccgtt acaacgctct gtggacagtc 1680 ctcctagtcg acattccttc tcaggtttga ccctgtcctg ggaagtgagg cttctctctc 1740 tgggttcccc actcctgttc ttgaataagg agccccacaa cctcttattc tctctataca 1800 gagcctggga aacagcaaaa ctcggctcgc ctacaagact ccagcgcgcc ctctggtgga 1860 ctcgggggac gagcatggga tgagggtttc tttcctctag ctcccccacc gcgccgagag 1920 tacctgggcg gacccacagt tcgccacgca ggttgggagg cccagatgag tgataaggta 1980 gtagttagct gctcctccca ccccactccc caaaggacat cagcacccac gtctgtcacc 2040 gaagaaccag gcaatgggcg gatgagctga ggccaggtag ctgcttctaa gtcagtgtct 2100 cctccacttc tggatctcac agcttcatct tttggacctg tctacaggta aatgtcgcgc 2160 atccccctcc tccacttcct aggtccccag tgggctggtg gctgaatggt cctacgtccc 2220 ttttggttgg cacgggatgc ttggaactgt acatgaggac ctcggggtgg cctgggtgca 2280 gagggagggg agcgtccccg cggggatcaa aagaaaggga aggggtgcca ggagggagcc 2340 tctcccggct ggcctcctag aactgcccgc gcgctcccat cgcgacgccc ccgcctctgc 2400 cagaaaccag ccttcttaga agggaggggg gggaaagtgt gaatgagaag ttgggggcgg 2460 agcgcgcggg ggaggggccg ctgccaggaa cgctcggcca aggctggcgc cgcgcccgcc 2520 ggtcgggcag cctcgcgccg cgctttgtct ccctctcggt gagtctcggc gggtcctgga 2580 ggccccagct ccaagcccgc cctccgcagc ccctccctcg ccctccgcgc acagcctttc 2640 agtgcagagt agtgactagg ggcggggcgt actggccggg taaatacccg cgcgcgcggc 2700 ctccgaggcg gctctaactc tgactctaca ctcgcccgct cctacgaccg ctgtctctcc 2760 gggctcccgg acgccccctt cccggcccag ctctccgtcg aggtccctcg cccaggtcct 2820 ttgcctgatt cgcccaggag tgcgcctcat cggcccgggg agcagcgaag ccagaggggg 2880 cgcacgcacg gggagcccct ttgtagactt cacggctgcc aacatctggg cgcagcgcga 2940 gccactgctg ggcgccgcct cgcctcgggg accataggag gcgcagcccc aaggccggag 3000 atttcgcttc gggactaggt aggaaggagg ggcgcggtgt ggggaagggt gggggcatcg 3060 gtccagctcg ggagcttttc ccggtttctc ctccccttcc cgggtcattc ccggtaggga 3120 ggggacgagg cagggggcag agcggatgag aaccgaagat ccctgattcc cgtcatactc 3180 agactggggc cctcgggttt ctcctgtccc ctctctcaca tatctcgggt ttggcacccc 3240 ccttttttcg ccctcgccac tgaggacacc ggactgagag gcgccctgag cgtccctagg 3300 gctcttgtgt ctctccccat cctggccgcg ctcctggaga cccaacttcc acgcgcgagt 3360 tttctctggg cgtcctccta gggcgggcag gggaagagac tgtctggggt tggccggcag 3420 tgaccgagga cagtcgagtt ccgcgaggtg gctgggcctg agacacggtc taaagcgggg 3480 caaaggggtg ccccgggcgc taggcggagg ctggagggcc gggcacgctg gagggttccg 3540 ggcactcacg cgcctcacgc tttgctctct gcagctcccc gggatgcggt agcggccgct 3600 gtgcggaggc cgcgaagcag ctgcagccac cgccgcgcag atccac 3646 37 3686 DNA Mus musculus mutation (0)...(0) promoter sequence -2759 to +927 with nucleotide at position -74 mutated from T to A, nucleotide at position -71 mutated from C to G, nucleotide at position -69 mutated from G to C, and nucleotide at position -66 mutated from A to T 37 ccctgctggc cctgcagagg gaaggctctc ctaagcatca tctatcagaa cgtcttcaaa 60 aaaaaaaaaa aaaaaaaaaa agcctctcca gccaggctag ctctaacacc atttcttccc 120 cttcccctct ctcaaattca cttatctttt tttttttttt tttttttgga tttttgagac 180 agggtttctc tgtatagccc tggttgtcct ggaactcact ttgtacacca gcctggcctc 240 gaactcagag atccacctgc ctctgcctcc tgagtgctgg gattaaaggc gtgcgccacc 300 acgcccggct aaattcactt atctatttaa tgtatatagg gtataggctg cccttgaact 360 cacaaagatc tgcttgcttt gcttctggaa tactaaaggt gtgtgctacc atcacaggga 420 ccaagattta ttttaattct gtatatgtgt gtgtgtgtgt gtgtgtatgg ggggtgcaca 480 tgagtacaga ttcccttgga ggcctggggt ggcttaggac tggggttaca acagttgtga 540 cccatcctac ataggtcctg gcaccaacac cccccccccc cccccccgtc ttccagaagt 600 gcagcaggtg ttcttaactg ctgagccagc aatccagccc ctgacttccc tctcttactt 660 aagaagctat cacagtgtct cactgggtca caatcatgac tagtccttgc tcatggccca 720 cagcctcttc cccactgtgg gttttgcccc gcagctctgc cgccccagcg ctgcacccga 780 ggcctgacag agccaggcac gaagtcaggg tttgtggaat ggatgaatga acttgactcg 840 tggcagagca ttgtaattta caaagcactt tcccatccat taactccagg gctatttcct 900 aagagtcctc cctgtcctcc actgccctcg gctcagaggc atacggtcaa ggcagtggct 960 ggggaacact ccctgaatga gatcaaggag ggcttgttca cagagaaagg gagaatccat 1020 ttggggagcc tgagagtgac tcgaaggcaa ggactgggcc tcacctgtgg gatctccatc 1080 tgtgagcatc cgctcatcag accagtgtga gatattttaa ataaggcccc taagcctctt 1140 gactactgga attgccaggg gcgggggaca gatgggcacc catccctatt taacagataa 1200 caagactgag tccagagagg cagtgcacct gccctggtct ctcttagttc ctcagcatca 1260 gtggagcaga ttggacacag tgggccagaa gggaagcagg cagccctccc tcctagccca 1320 agctactctg tgtagtcagt ttgccctcct actggtgtta caagaagcct gtggtatcca 1380 agagggcagg tcagaaagcc cactgagagc agacactgtg tgtcacttag ctggttctca 1440 ggtggctgcc acttcctgct gcctgttgca aaactcgaca ctaggccttt atagatactc 1500 acgtgaccag gagtaaacaa cctttcacct caatcacctg ctcttatcaa tactccctct 1560 ccaccccacc atcgggaaag ttcagacacc ttaaaacgta gaggcaagag agggtccatt 1620 ctgacacctc agcgactttc aggcagtggc tgaacccgtt acaacgctct gtggacagtc 1680 ctcctagtcg acattccttc tcaggtttga ccctgtcctg ggaagtgagg cttctctctc 1740 tgggttcccc actcctgttc ttgaataagg agccccacaa cctcttattc tctctataca 1800 gagcctggga aacagcaaaa ctcggctcgc ctacaagact ccagcgcgcc ctctggtgga 1860 ctcgggggac gagcatggga tgagggtttc tttcctctag ctcccccacc gcgccgagag 1920 tacctgggcg gacccacagt tcgccacgca ggttgggagg cccagatgag tgataaggta 1980 gtagttagct gctcctccca ccccactccc caaaggacat cagcacccac gtctgtcacc 2040 gaagaaccag gcaatgggcg gatgagctga ggccaggtag ctgcttctaa gtcagtgtct 2100 cctccacttc tggatctcac agcttcatct tttggacctg tctacaggta aatgtcgcgc 2160 atccccctcc tccacttcct aggtccccag tgggctggtg gctgaatggt cctacgtccc 2220 ttttggttgg cacgggatgc ttggaactgt acatgaggac ctcggggtgg cctgggtgca 2280 gagggagggg agcgtccccg cggggatcaa aagaaaggga aggggtgcca ggagggagcc 2340 tctcccggct ggcctcctag aactgcccgc gcgctcccat cgcgacgccc ccgcctctgc 2400 cagaaaccag ccttcttaga agggaggggg gggaaagtgt gaatgagaag ttgggggcgg 2460 agcgcgcggg ggaggggccg ctgccaggaa cgctcggcca aggctggcgc cgcgcccgcc 2520 ggtcgggcag cctcgcgccg cgctttgtct ccctctcggt gagtctcggc gggtcctgga 2580 ggccccagct ccaagcccgc cctccgcagc ccctccctcg ccctccgcgc acagcctttc 2640 agtgcagagt agtgactaaa cattacaaga agaccggccg ggcagatcga cgattcgggg 2700 ggcggggcgt actggccggg taaatacccg cgcgcgcggc ctccgaggcg gctctaactc 2760 tgactctaca ctcgcccgct cctacgaccg ctgtctctcc gggctcccgg acgccccctt 2820 cccggcccag ctctccgtcg aggtccctcg cccaggtcct ttgcctgatt cgcccaggag 2880 tgcgcctcat cggcccgggg agcagcgaag ccagaggggg cgcacgcacg gggagcccct 2940 ttgtagactt cacggctgcc aacatctggg cgcagcgcga gccactgctg ggcgccgcct 3000 cgcctcgggg accataggag gcgcagcccc aaggccggag atttcgcttc gggactaggt 3060 aggaaggagg ggcgcggtgt ggggaagggt gggggcatcg gtccagctcg ggagcttttc 3120 ccggtttctc ctccccttcc cgggtcattc ccggtaggga ggggacgagg cagggggcag 3180 agcggatgag aaccgaagat ccctgattcc cgtcatactc agactggggc cctcgggttt 3240 ctcctgtccc ctctctcaca tatctcgggt ttggcacccc ccttttttcg ccctcgccac 3300 tgaggacacc ggactgagag gcgccctgag cgtccctagg gctcttgtgt ctctccccat 3360 cctggccgcg ctcctggaga cccaacttcc acgcgcgagt tttctctggg cgtcctccta 3420 gggcgggcag gggaagagac tgtctggggt tggccggcag tgaccgagga cagtcgagtt 3480 ccgcgaggtg gctgggcctg agacacggtc taaagcgggg caaaggggtg ccccgggcgc 3540 taggcggagg ctggagggcc gggcacgctg gagggttccg ggcactcacg cgcctcacgc 3600 tttgctctct gcagctcccc gggatgcggt agcggccgct gtgcggaggc cgcgaagcag 3660 ctgcagccac cgccgcgcag atccac 3686 38 2044 DNA Mus musculus promoter (-2759)...(-716) 38 ccctgctggc cctgcagagg gaaggctctc ctaagcatca tctatcagaa cgtcttcaaa 60 aaaaaaaaaa aaaaaaaaaa agcctctcca gccaggctag ctctaacacc atttcttccc 120 cttcccctct ctcaaattca cttatctttt tttttttttt tttttttgga tttttgagac 180 agggtttctc tgtatagccc tggttgtcct ggaactcact ttgtacacca gcctggcctc 240 gaactcagag atccacctgc ctctgcctcc tgagtgctgg gattaaaggc gtgcgccacc 300 acgcccggct aaattcactt atctatttaa tgtatatagg gtataggctg cccttgaact 360 cacaaagatc tgcttgcttt gcttctggaa tactaaaggt gtgtgctacc atcacaggga 420 ccaagattta ttttaattct gtatatgtgt gtgtgtgtgt gtgtgtatgg ggggtgcaca 480 tgagtacaga ttcccttgga ggcctggggt ggcttaggac tggggttaca acagttgtga 540 cccatcctac ataggtcctg gcaccaacac cccccccccc cccccccgtc ttccagaagt 600 gcagcaggtg ttcttaactg ctgagccagc aatccagccc ctgacttccc tctcttactt 660 aagaagctat cacagtgtct cactgggtca caatcatgac tagtccttgc tcatggccca 720 cagcctcttc cccactgtgg gttttgcccc gcagctctgc cgccccagcg ctgcacccga 780 ggcctgacag agccaggcac gaagtcaggg tttgtggaat ggatgaatga acttgactcg 840 tggcagagca ttgtaattta caaagcactt tcccatccat taactccagg gctatttcct 900 aagagtcctc cctgtcctcc actgccctcg gctcagaggc atacggtcaa ggcagtggct 960 ggggaacact ccctgaatga gatcaaggag ggcttgttca cagagaaagg gagaatccat 1020 ttggggagcc tgagagtgac tcgaaggcaa ggactgggcc tcacctgtgg gatctccatc 1080 tgtgagcatc cgctcatcag accagtgtga gatattttaa ataaggcccc taagcctctt 1140 gactactgga attgccaggg gcgggggaca gatgggcacc catccctatt taacagataa 1200 caagactgag tccagagagg cagtgcacct gccctggtct ctcttagttc ctcagcatca 1260 gtggagcaga ttggacacag tgggccagaa gggaagcagg cagccctccc tcctagccca 1320 agctactctg tgtagtcagt ttgccctcct actggtgtta caagaagcct gtggtatcca 1380 agagggcagg tcagaaagcc cactgagagc agacactgtg tgtcacttag ctggttctca 1440 ggtggctgcc acttcctgct gcctgttgca aaactcgaca ctaggccttt atagatactc 1500 acgtgaccag gagtaaacaa cctttcacct caatcacctg ctcttatcaa tactccctct 1560 ccaccccacc atcgggaaag ttcagacacc ttaaaacgta gaggcaagag agggtccatt 1620 ctgacacctc agcgactttc aggcagtggc tgaacccgtt acaacgctct gtggacagtc 1680 ctcctagtcg acattccttc tcaggtttga ccctgtcctg ggaagtgagg cttctctctc 1740 tgggttcccc actcctgttc ttgaataagg agccccacaa cctcttattc tctctataca 1800 gagcctggga aacagcaaaa ctcggctcgc ctacaagact ccagcgcgcc ctctggtgga 1860 ctcgggggac gagcatggga tgagggtttc tttcctctag ctcccccacc gcgccgagag 1920 tacctgggcg gacccacagt tcgccacgca ggttgggagg cccagatgag tgataaggta 1980 gtagttagct gctcctccca ccccactccc caaaggacat cagcacccac gtctgtcacc 2040 gaag 2044 39 433 DNA Mus musculus promoter (-275)...(158) 39 caggaacgct cggccaaggc tggcgccgcg cccgccggtc gggcagcctc gcgccgcgct 60 ttgtctccct ctcggtgagt ctcggcgggt cctggaggcc ccagctccaa gcccgccctc 120 cgcagcccct ccctcgccct ccgcgcacag cctttcagtg cagagtagtg actaaacatt 180 acaagaagac cggccgggca gttccaggaa tcggggggcg gggcgtactg gccgggtaaa 240 tacccgcgcg cgcggcctcc gaggcggctc taactctgac tctacactcg cccgctccta 300 cgaccgctgt ctctccgggc tcccggacgc ccccttcccg gcccagctct ccgtcgaggt 360 ccctcgccca ggtcctttgc ctgattcgcc caggagtgcg cctcatcggc ccggggagca 420 gcgaagccag agg 433 

We claim:
 1. A nucleic acid construct, comprising a murine SOCS-3 promoter having a nucleotide sequence SEQ ID NO: 1, an operative fragment of SEQ ID NO: 1 having promoter activity that is inducible by a cytokine selected from the group consisting of LIF, IL-6, and IL-11, or an operative derivative of either of these, said derivative being selected from the group consisting of a mutation, a polymorphism, and a variant allele with respect to any nucleotide position of SEQ ID NO: 1, and said derivative being a derivative that does not fully eliminate promoter activity that is inducible by a cytokine selected from the group consisting of LIF, IL-6, and IL-11.
 2. The nucleic acid construct of claim 1, further comprising said SOCS-3 promoter operatively linked, in a transcriptional unit, to a DNA sequence encoding a protein of interest.
 3. The nucleic acid construct of claim 2, wherein the protein of interest is a SOCS-3 protein, or a functional fragment thereof.
 4. The nucleic acid construct of claim 2, wherein said SOCS-3 promoter is operatively linked to a DNA sequence encoding a reporter protein.
 5. The nucleic acid construct of claim 4, wherein the reporter protein is a fluorescent or light-emitting protein.
 6. The nucleic acid construct of claim 5, wherein the fluorescent or light-emitting protein is a green fluorescent protein, yellow fluorescent protein, blue fluorescent protein, phycobiliprotein, luciferase, or apoaequorin.
 7. The nucleic acid construct of claim 1, wherein the operative fragment is (SEQ ID NO: 2), (SEQ ID NO: 3), (SEQ ID NO: 4), (SEQ ID NO: 5), (SEQ ID NO: 6), (SEQ ID NO: 7), (SEQ ID NO: 8), (SEQ ID NO: 9), (SEQ ID NO: 10), (SEQ ID NO: 11), (SEQ ID NO: 12), (SEQ ID NO: 35), (SEQ ID NO: 36), (SEQ ID NO. 37), or (SEQ ID NO: 39), or operative derivative of any of these, and said derivative being a derivative that does not fully eliminate promoter activity that is inducible by a cytokine selected from the group consisting of LIF, IL-6, and IL-11.
 8. The nucleic acid construct of claim 2, further comprising at least one insulator element flanking said transcriptional unit.
 9. The nucleic acid construct of claim 8, wherein said at least one insulator element is a chicken β-globin insulator element.
 10. A kit for genetically modifying a vertebrate cell, containing a polynucleotide comprising a murine SOCS-3 promoter sequence having SEQ ID NO: 1, an operative fragment of SEQ ID NO: 1 having promoter activity that is inducible by a cytokine selected from the group consisting of LIF, IL-6, and IL-11, or an operative derivative of either of these, said derivative being selected from the group consisting of a mutation, a polymorphism, and a variant allele with respect to any nucleotide position of SEQ ID NO: 1, and said derivative being a derivative that does not fully eliminate promoter activity that is inducible by a cytokine selected from the group consisting of LIF, IL-6, and IL-11, and a suitable storage means for said polynucleotide.
 11. The kit of claim 10, further comprising said SOCS-3 promoter operatively linked, in a transcriptional unit, to a DNA sequence encoding a protein of interest.
 12. The kit of claim 11, wherein the protein of interest is a SOCS-3 protein, or a functional fragment thereof.
 13. The kit of claim 11, wherein said SOCS-3 promoter is operatively linked to a DNA sequence encoding a reporter protein.
 14. The kit of claim 13, wherein the reporter protein is a fluorescent or light-emitting protein.
 15. The kit of claim 14, wherein the fluorescent or light-emitting protein is a green fluorescent protein, yellow fluorescent protein, blue fluorescent protein, phycobiliprotein, luciferase, or apoaequorin.
 16. The kit of claim 11, wherein said polynucleotide further comprises at least one insulator element flanking said transcriptional unit.
 17. The kit of claim 16, wherein said at least one insulator element is a chicken β-globin insulator element.
 18. The kit of claim 10, further comprising a transfecting agent.
 19. The kit of claim 18, wherein the transfecting agent is a liposome, viral vector, transferrin-polylysine enhanced viral vector, retroviral vector, lentiviral vector, or uptake enhancing DNA segment, or a mixture of any of these.
 20. The kit of claim 18, wherein the transfecting agent comprises a retroviral vector, adenoviral vector, transferrin-polylysine enhanced adenoviral vector, human immunodeficiency virus vector, lentiviral vector, Moloney murine leukemia virus-derived vector, mumps vector, a DNA segment that facilitates polynucleotide uptake by and release into the cytoplasm of vertebrate cells, or comprises an operative fragment of or mixture of any of these.
 21. The kit of claim 18, wherein the transfecting agent comprises an adenovirus vector having endosomal lytic activity, and the polynucleotide is operatively linked to the vector.
 22. The kit of claim 18, wherein the transfecting agent comprises a lipid transfecting agent.
 23. A nucleic acid construct, comprising a murine SOCS-3 promoter having a nucleotide sequence selected from the group consisting of (SEQ ID NO: 1), (SEQ ID NO: 2), (SEQ ID NO: 3), (SEQ ID NO: 4), (SEQ ID NO: 5), (SEQ ID NO: 6), (SEQ ID NO: 7), (SEQ ID NO: 8), (SEQ ID NO: 9), (SEQ ID NO: 10), (SEQ ID NO: 11), (SEQ ID NO: 12), (SEQ ID NO: 35), (SEQ ID NO: 36), (SEQ ID NO: 37), and (SEQ ID NO: 39), or an operative derivative of any of these selected from the group consisting of a mutation, a polymorphism, and a variant allele with respect to any nucleotide position of (SEQ ID NO: 1), (SEQ ID NO: 2), (SEQ ID NO: 3), (SEQ ID NO: 4), (SEQ ID NO: 5), (SEQ ID NO: 6), (SEQ ID NO: 7), (SEQ ID NO: 8), (SEQ ID NO: 9), (SEQ ID NO: 10), (SEQ ID NO: 11), (SEQ ID NO: 12), (SEQ ID NO: 35), (SEQ ID NO: 36), (SEQ ID NO: 37), or (SEQ ID NO: 39), said derivative being a derivative that does not fully eliminate promoter activity that is inducible by a cytokine selected from the group consisting of LIF, IL-6, and IL-11.
 24. The nucleic acid construct of claim 23, further comprising said SOCS-3 promoter operatively linked, in a transcriptional unit, to a DNA sequence encoding a protein of interest.
 25. The nucleic acid construct of claim 24, wherein the protein of interest is a SOCS-3 protein.
 26. The nucleic acid construct of claim 24, wherein said polynucleotide further comprises at least one insulator element flanking said transcriptional unit.
 27. The nucleic acid construct of claim 26, wherein said at least one insulator element is a chicken β-globin insulator element.
 28. The nucleic acid construct of claim 24, wherein said SOCS-3 promoter is operatively linked to a DNA sequence encoding a reporter protein.
 29. The nucleic acid construct of claim 28, wherein the reporter protein is a fluorescent or light-emitting protein.
 30. The nucleic acid construct of claim 29, wherein the fluorescent or light-emitting protein is a green fluorescent protein, yellow fluorescent protein, blue fluorescent protein, phycobiliprotein, luciferase, or apoaequorin. 